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searching for Helium 268 found (7061 total)

alternate case: helium

Red giant (3,299 words) [view diff] exact match in snippet view article find links to article

hydrogen into helium in a shell surrounding an inert helium core red-clump stars in the cool half of the horizontal branch, fusing helium into carbon in
Nova (2,405 words) [view diff] exact match in snippet view article find links to article
brightest nova of this millennium, reaching magnitude 3.3. A helium nova (undergoing a helium flash) is a proposed category of nova events that lacks hydrogen
High-pressure nervous syndrome (838 words) [view diff] exact match in snippet view article find links to article
containing helium. The effects experienced, and the severity of those effects, depend on the rate of descent, the depth and the percentage of helium. "Helium tremors"
Boson (1,674 words) [view diff] exact match in snippet view article find links to article
as deuterium (with one proton and one neutron, atomic mass number = 2), helium-4, and lead-208; as well as some quasiparticles (e.g. Cooper pairs, plasmons
Extreme helium star (719 words) [view diff] exact match in snippet view article find links to article
An extreme helium star (abbreviated EHe), or a PV Telescopii Variable, is a low-mass supergiant that is almost devoid of hydrogen, the most common chemical
Helium (Sia song) (391 words) [view diff] exact match in snippet view article
"Helium" is a song recorded by Australian singer-songwriter Sia for the Fifty Shades Darker soundtrack. The soundtrack was released in support of the 2017
Saturation diving (11,011 words) [view diff] exact match in snippet view article find links to article
no more inert gas is accumulated. Saturation divers typically breathe a helium–oxygen mixture to prevent nitrogen narcosis, but at shallow depths saturation
Fusion rocket (1,589 words) [view diff] exact match in snippet view article find links to article
aneutronic fusion). Helium-3 propulsion would use the fusion of helium-3 atoms as a power source. Helium-3, an isotope of helium with two protons and
Red clump (1,557 words) [view diff] exact match in snippet view article find links to article
stars originally similar to the Sun which have undergone a helium flash and are now fusing helium in their cores. Red clump stellar properties vary depending
George F. Bond (2,552 words) [view diff] exact match in snippet view article find links to article
animals to saturation in various breathing gases. In 1962, interest in helium-oxygen atmospheres for manned space flights made Phase C possible. Phase
Tritium (6,359 words) [view diff] exact match in snippet view article find links to article
and Technology lists 4,500 ± 8 days (12.32 ± 0.02 years). It decays into helium-3 by beta decay as in this nuclear equation: and it releases 18.6 keV of
Subgiant (3,454 words) [view diff] exact match in snippet view article find links to article
the fusing Hydrogen shell converts its mass into helium the convective effect separates the Helium towards the core where it very slowly increases the
Delta Scuti variable (869 words) [view diff] exact match in snippet view article find links to article
the Eddington Valve or Kappa-mechanism. The stars have a helium rich atmosphere. As helium is heated it becomes more ionised, which is more opaque. So
HD 125823 (711 words) [view diff] exact match in snippet view article find links to article
confirmed by A. D. Thackeray in 1966. The star ranges from a helium-strong B2 class to a helium-weak B8 with a period of 8.82 days. Radial velocity measurements
Red supergiant (4,020 words) [view diff] exact match in snippet view article find links to article
helium core during a red giant phase, undergo a helium flash before fusing helium on the horizontal branch, evolve along the AGB while burning helium
The Late B.P. Helium (210 words) [view diff] exact match in snippet view article find links to article
Late B.P. Helium is the solo recording project and, at times, stage name of Elephant Six musician Bryan Poole, who also goes by Bryan Helium. Poole has
Nuclear physics (4,652 words) [view diff] exact match in snippet view article find links to article
Bang were absorbed into helium-4 in the first three minutes after the Big Bang, and this helium accounts for most of the helium in the universe today (see
Stellar mass (1,084 words) [view diff] exact match in snippet view article find links to article
do enter the AGB, where they develop a degenerate helium core. Intermediate-mass stars undergo helium fusion and develop a degenerate carbon–oxygen core
Protostar (1,146 words) [view diff] exact match in snippet view article find links to article
later become a main-sequence star at the onset of hydrogen fusion producing helium. The modern picture of protostars, summarized above, was first suggested
Equivalent narcotic depth (883 words) [view diff] exact match in snippet view article find links to article
breathing gas in question. For example, a trimix containing 20% oxygen, 40% helium, 40% nitrogen (trimix 20/40) being used at 60 metres (200 ft) has an END
Supersolid (1,275 words) [view diff] exact match in snippet view article find links to article
a spatially ordered material with superfluid properties. In the case of helium-4, it has been conjectured since the 1960s that it might be possible to
Exotic atom (1,274 words) [view diff] exact match in snippet view article find links to article
(Hydrogen-4.1) has been used to describe the exotic atom muonic helium (4He-μ), which is like helium-4 in having 2 protons and 2 neutrons. However one of its
Exotic atom (1,274 words) [view diff] exact match in snippet view article find links to article
(Hydrogen-4.1) has been used to describe the exotic atom muonic helium (4He-μ), which is like helium-4 in having 2 protons and 2 neutrons. However one of its
Balloon modelling (726 words) [view diff] exact match in snippet view article find links to article
their creations with helium, as these designs will not usually float anyway. The balloons for twisting are too porous for helium and the designs are generally
Dalton (unit) (3,826 words) [view diff] exact match in snippet view article
averages. For example, an atom of helium-4 has a mass of 4.0026 Da. This is an intrinsic property of the isotope and all helium-4 atoms have the same mass.
Supersolid (1,275 words) [view diff] exact match in snippet view article find links to article
a spatially ordered material with superfluid properties. In the case of helium-4, it has been conjectured since the 1960s that it might be possible to
Triple point (1,319 words) [view diff] exact match in snippet view article find links to article
involve more than one solid phase, for substances with multiple polymorphs. Helium-4 is a special case that presents a triple point involving two different
Bose–Einstein condensate (9,054 words) [view diff] exact match in snippet view article find links to article
bosons. Bosons, particles that include the photon as well as atoms such as helium-4 (4 He ), are allowed to share a quantum state. Einstein proposed that
Helium (film) (368 words) [view diff] exact match in snippet view article
Helium is a 2014 Danish short drama film directed by Anders Walter. Alfred is a young boy staying in a hospital who suffers from an undisclosed terminal
Silicon-burning process (897 words) [view diff] exact match in snippet view article find links to article
Hertzsprung–Russell diagram. It follows the previous stages of hydrogen, helium, carbon, neon and oxygen burning processes. Silicon burning begins when
Fermionic condensate (1,079 words) [view diff] exact match in snippet view article find links to article
superfluidity breaks down. Superfluidity was originally discovered in liquid helium-4 whose atoms are bosons, not fermions. It is far more difficult to produce
Dark star (dark matter) (392 words) [view diff] exact match in snippet view article
dark star is predicted to be an enormous cloud of molecular hydrogen and helium ranging between 4 and 2,000 astronomical units in diameter and with a surface
Subdwarf O star (564 words) [view diff] exact match in snippet view article find links to article
and oxygen core surrounded by a helium burning shell. The spectrum shows that the content is from 50 to 100% helium. In the early 1970s Greenstein and
R Centauri (492 words) [view diff] exact match in snippet view article find links to article
helium shell around its core, which occurs periodically in asymptotic giant branch (AGB) stars as the mass of the helium shell increases with helium from
V445 Puppis (650 words) [view diff] exact match in snippet view article find links to article
an enrichment of helium and carbon, and a higher level of ionization, suggested that it was the first observed instance of a helium nova. This is theorized
Chemically peculiar star (1,097 words) [view diff] exact match in snippet view article find links to article
(Am, CP1) magnetic (Ap, CP2) non-magnetic mercury-manganese (HgMn, CP3) helium-weak (He-weak, CP4). The class names provide a good idea of the peculiarities
U Andromedae (434 words) [view diff] exact match in snippet view article find links to article
exhausted both hydrogen and helium in their cores and are not massive enough to fuse carbon and oxygen, so they erratically fuse helium and hydrogen shells outside
Roton (484 words) [view diff] exact match in snippet view article find links to article
roton is an elementary excitation, or quasiparticle, seen in superfluid helium-4 and Bose–Einstein condensates with long-range dipolar interactions or
Stellar atmosphere (574 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Blue loop (884 words) [view diff] exact match in snippet view article find links to article
stars on the red-giant branch (RGB) have an inert helium core and remain on the RGB until a helium flash moves them to the horizontal branch. However
Mt. Helium (759 words) [view diff] exact match in snippet view article find links to article
Mt. Helium, formerly known as the Apex Theory, was an American rock band from Los Angeles, California, that was known for playing Mediterranean music mixed
Aerostat (1,771 words) [view diff] exact match in snippet view article find links to article
combination of a helium balloon and a kite to form a single, aerodynamically sound tethered aircraft, that exploits both wind and helium for its lift. Helikites
Oxygen-burning process (1,080 words) [view diff] exact match in snippet view article find links to article
is an oxygen-burning shell, followed by a neon shell, a carbon shell, a helium shell, and a hydrogen shell. The oxygen-burning process is the last nuclear
Robert Coleman Richardson (546 words) [view diff] exact match in snippet view article find links to article
whose area of research included sub-millikelvin temperature studies of helium-3. Richardson, along with David Lee, as senior researchers, and then graduate
Aerostat (1,771 words) [view diff] exact match in snippet view article find links to article
combination of a helium balloon and a kite to form a single, aerodynamically sound tethered aircraft, that exploits both wind and helium for its lift. Helikites
Oxygen-burning process (1,080 words) [view diff] exact match in snippet view article find links to article
is an oxygen-burning shell, followed by a neon shell, a carbon shell, a helium shell, and a hydrogen shell. The oxygen-burning process is the last nuclear
List of planet types (391 words) [view diff] exact match in snippet view article find links to article
planet. They are most commonly composed primarily of 'gas' (hydrogen and helium) or 'ices' (volatiles such as water, methane, and ammonia), but may also
Pulmonary function testing (1,190 words) [view diff] exact match in snippet view article find links to article
concentration of helium in air begin in the closed spirometer, that the patient has no helium in their lungs, and that an equilibration of helium can occur between
Yellow supergiant (2,380 words) [view diff] exact match in snippet view article find links to article
red-giant branch. Stars more massive than about 2 M☉ have a sufficiently large helium core that it begins fusion before becoming degenerate. These stars will
Quasi-star (576 words) [view diff] exact match in snippet view article find links to article
only happen early in the development of the Universe, before hydrogen and helium were contaminated by heavier elements; thus, they may have been very massive
Kepler-70 (708 words) [view diff] exact match in snippet view article find links to article
million years ago. In its present-day state, it is fusing helium in its core. Once it runs out of helium it will contract to form a white dwarf. It has a relatively
Ontronik Khachaturian (371 words) [view diff] exact match in snippet view article find links to article
founder/lead vocalist (1999–2002) of the alt-progressive rock band Mt. Helium, as well as the member of his band VoKee. He was also the founder/drummer/keyboardist
Helion Energy (1,332 words) [view diff] exact match in snippet view article find links to article
Washington. They are developing a magneto-inertial fusion technology to produce Helium-3 gas and fusion power via aneutronic fusion. Helion Energy was founded
Lead star (64 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Helium and Lead Observatory (544 words) [view diff] exact match in snippet view article find links to article
The Helium And Lead Observatory (HALO) is a neutrino detector at SNOLab for the Supernova Early Warning System (SNEWS). It began engineering operation
HD 219617 (766 words) [view diff] exact match in snippet view article find links to article
elements. The helium fraction of the binary star at present cannot be reliably determined, and appears to be near the primordial helium abundance. The
Carbon star (1,886 words) [view diff] exact match in snippet view article find links to article
the star expands so that the helium fusion ceases, and the hydrogen shell burning restarts. During these shell helium flashes, the mass loss from the
Nuclear timescale (322 words) [view diff] exact match in snippet view article find links to article
scarce, another will generally take its place—hydrogen burning gives way to helium burning, etc. However, all the phases after hydrogen burning combined typically
Solar-like oscillations (1,155 words) [view diff] exact match in snippet view article find links to article
properties of the star. These have been used to distinguish red giants burning helium in their cores from those that are still only burning hydrogen in a shell
Radial velocity (1,183 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Spitzer Space Telescope (5,360 words) [view diff] exact match in snippet view article find links to article
more years until the onboard liquid helium supply was exhausted. This occurred on 15 May 2009. Without liquid helium to cool the telescope to the very low
Bright giant (154 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Asteroseismology (2,233 words) [view diff] exact match in snippet view article find links to article
are one of the most important classes of pulsating star. They are core-helium burning stars with masses above about 5 solar masses. They principally oscillate
HD 110073 (512 words) [view diff] exact match in snippet view article find links to article
B8II/III. These stars are often helium-weak, but this is one of the most normal members of this group in terms of helium abundance. The system is a source
Nuclear timescale (322 words) [view diff] exact match in snippet view article find links to article
scarce, another will generally take its place—hydrogen burning gives way to helium burning, etc. However, all the phases after hydrogen burning combined typically
V605 Aquilae (759 words) [view diff] exact match in snippet view article find links to article
hydrogen-deficient, helium and carbon-rich object with strong emission lines. In 1921, the surface has been estimated to consist of 98% helium and 1% carbon
56 Andromedae (713 words) [view diff] exact match in snippet view article find links to article
a red clump giant, having undergone "helium flash" and is presently generating energy at its core through helium fusion. The star is about 3.1 billion
Solar transition region (578 words) [view diff] exact match in snippet view article find links to article
is not a well-defined layer at a particular altitude. Below, most of the helium is not fully ionized, so that it radiates energy very effectively; above
Black dwarf (1,070 words) [view diff] exact match in snippet view article find links to article
processes occur, preventing any supernova explosions. Once the Sun stops fusing helium in its core and ejects its layers in a planetary nebula in about 8 billion
David Lee (physicist) (805 words) [view diff] exact match in snippet view article
Richardson and Douglas Osheroff "for their discovery of superfluidity in helium-3." Lee is professor emeritus of physics at Cornell University and distinguished
HD 88366 (467 words) [view diff] exact match in snippet view article find links to article
It has also exhausted its core helium and evolved to the asymptotic giant branch, where it fuses hydrogen and helium in separate shells outside the core
Nova remnant (483 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Fusor (astronomy) (302 words) [view diff] exact match in snippet view article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Q star (172 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
V803 Centauri (302 words) [view diff] exact match in snippet view article find links to article
V803 Centauri (V803 Cen) is a cataclysmic binary consisting of a dwarf helium star losing mass to a white dwarf. It is an example of the AM Canum Venaticorum
Lunar resources (7,250 words) [view diff] exact match in snippet view article find links to article
deposited more than 1 million tons of helium-3 (3He) to the Moon's surface. Materials on the Moon's surface contain helium-3 at concentrations estimated between
Helium (band) (629 words) [view diff] exact match in snippet view article
Helium was an American alternative rock band fronted by Mary Timony. The band formed during the summer of 1992. Between 1992 and 1997, they released two
Sub-brown dwarf (685 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Dark nebula (471 words) [view diff] exact match in snippet view article find links to article
light at visible wavelengths. Also present are molecular hydrogen, atomic helium, C18O (CO with oxygen as the 18O isotope), CS, NH3 (ammonia), H2CO (formaldehyde)
HD 90264 (322 words) [view diff] exact match in snippet view article find links to article
spin-orbit synchronized. Both stars appear to be deficient in helium. The primary is a helium variable star while the companion is a mercury-manganese star
Waage Drill II diving accident (1,105 words) [view diff] exact match in snippet view article find links to article
heatstroke after the chamber they were in was inadvertently pressurised with helium gas. On 9 September 1975, divers Peter Holmes, 29, and Roger Baldwin, 24
Thermal runaway (4,192 words) [view diff] exact match in snippet view article find links to article
a less dramatic event in the normal evolution of solar-mass stars, the "helium flash". Some climate researchers have postulated that a global average temperature
Hans W. Liepmann (343 words) [view diff] exact match in snippet view article find links to article
instability and turbulence, gas kinetics, viscous compressible fluids and liquid helium flows. Hans Liepmann received a Dr.Ing.h.c. from the University of Aachen
Lambda Boötis star (176 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Ion laser (959 words) [view diff] exact match in snippet view article find links to article
containing the laser medium and mirrors forming a Fabry–Pérot resonator. Unlike helium–neon lasers, the energy level transitions that contribute to laser action
Supersnipe (358 words) [view diff] exact match in snippet view article find links to article
family and his neighbors. He has no powers, but when he fills his suit with helium, he can fly. In his adventures, Supersnipe sometimes partners with Ulysses
Chris Braide (1,016 words) [view diff] exact match in snippet view article find links to article
years include "Kill and Run" for The Great Gatsby film and soundtrack, "Helium" for the 2017 Fifty Shades Darker film and soundtrack, "Pretty Isn't Perfect"
Photometric-standard star (139 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Blitzar (451 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
NGC 6441 (789 words) [view diff] exact match in snippet view article find links to article
is, it has a relatively high abundance of elements with higher mass than helium. The core region of the cluster subtends an angle of 0.11 arc minutes, compared
K2-58 (256 words) [view diff] exact match in snippet view article find links to article
is metal-rich, having 155% of Solar abundance of elements heavier than helium. The star is located in the region allowing to see Venus transiting the
Be star (708 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Microturbulence (452 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
LS IV-14 116 (555 words) [view diff] exact match in snippet view article find links to article
thought to be stars contracting to the extended horizontal branch after a helium flash and ejection of their atmospheres at the tip of the red giant branch
39 Cygni (580 words) [view diff] exact match in snippet view article find links to article
horizontal branch, fusing helium in its core, but may be on the red giant branch fusing hydrogen in a shell around an insert helium core. It has 1.3 times
SM-65B Atlas (2,199 words) [view diff] exact match in snippet view article find links to article
unusually high usage of helium pressure gas, possibly due to a leak. If the flight had not terminated prematurely, the helium supply might have become
Effective temperature (1,733 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Incendiary balloon (1,262 words) [view diff] exact match in snippet view article find links to article
balloon inflated with a lighter-than-air gas such as hot air, hydrogen, or helium, that has a bomb, incendiary device, or Molotov cocktail attached. The balloon
Omicron Virginis (489 words) [view diff] exact match in snippet view article find links to article
in a shell around an inert helium core, but there is about a 22% chance that it is a horizontal branch star fusing helium in its core. van Leeuwen, F
9 Ceti (1,003 words) [view diff] exact match in snippet view article find links to article
into helium at its core. The mass and radius of the star are similar to the Sun, although the abundance of elements other than hydrogen and helium is about
Parrot OS (713 words) [view diff] exact match in snippet view article find links to article
CyberLizard 2015-09-12 Parrot 2.0 Helium 2015-09-15 Parrot 2.0.1 Helium 2015-10-06 Parrot 2.0.4 Helium 2015-10-17 Parrot 2.0.5 Helium 2016-01-16 Parrot 2.1 Murdock
R136a3 (575 words) [view diff] exact match in snippet view article find links to article
R136a3 has a Wolf-Rayet spectral type dominated by intense emission lines of helium and nitrogen, usually indicating a highly evolved star that has lost its
Shell star (681 words) [view diff] exact match in snippet view article find links to article
or absent in cooler stars; FeII lines are common but not always present; helium lines may be seen in the hottest stars. The photospheric lines are rotationally
SDSS J0106−1000 (269 words) [view diff] exact match in snippet view article find links to article
B star that will begin generating energy through the nuclear fusion of helium. "SDSS J010657.39-100003.3—White Dwarf". SIMBAD. Centre de Données astronomiques
Galactic year (444 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Iron star (444 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Coatlicue (star) (336 words) [view diff] exact match in snippet view article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Ambarish Ghosh (789 words) [view diff] exact match in snippet view article find links to article
matter physics, plasmonics, metamaterials and electron bubbles in liquid helium. In 2009 he along with Peer Fischer demonstrated the use of glancing-angle
Dejah Thoris (1,074 words) [view diff] exact match in snippet view article find links to article
city-state/empire of Helium in Edgar Rice Burroughs' series of Martian novels. She is the daughter of Mors Kajak, Jed (chieftain) of Lesser Helium, and the granddaughter
Abell 78 (73 words) [view diff] exact match in snippet view article find links to article
consisting mostly hydrogen, and an inner elliptical ring that is mostly made of helium. An unusual type of Planetary Nebula http://crescent.astro.illinois
OB star (180 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Superglass (144 words) [view diff] exact match in snippet view article find links to article
and a frozen amorphous structure. J.C. Séamus Davis theorised that frozen helium-4 (at 0.2 K and 50 Atm) may be a superglass. Superfluid Giulio Biroli; Claudio
Blue supergiant (1,580 words) [view diff] exact match in snippet view article find links to article
Quickly rotating supergiants can be highly mixed and show high proportions of helium and even heavier elements while still burning hydrogen at the core; these
Stellar-wind bubble (200 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
PV Telescopii variable (368 words) [view diff] exact match in snippet view article find links to article
Variable Stars with the acronym PVTEL. This class of variables are defined as "helium supergiant Bp stars with weak hydrogen lines and enhanced lines of He and
K-type main-sequence star (879 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
TU Andromedae (412 words) [view diff] exact match in snippet view article find links to article
a cool asymptotic giant branch star, meaning it is fusing hydrogen and helium in concentric shells outside an inert core of carbon and oxygen formed earlier
Blue dwarf (red-dwarf stage) (377 words) [view diff] exact match in snippet view article
unusual spectra showing prominent broad emission lines of highly ionised helium and nitrogen or carbon Adams, F. C.; P. Bodenheimer; G. Laughlin (2005)
Pauli exclusion principle (3,314 words) [view diff] exact match in snippet view article find links to article
they are fermions or bosons — for example helium-3 has spin 1/2 and is therefore a fermion, in contrast to helium-4 which has spin 0 and is a boson.: 123–125 
110 Virginis (387 words) [view diff] exact match in snippet view article find links to article
means it is on the horizontal branch and is generating energy through the helium fusion at its core. Compared to the Sun, it has 167% of the mass but has
Symbiotic nova (322 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Lake Rukwa (414 words) [view diff] exact match in snippet view article find links to article
1.53 billion cubic meters (54.2 billion standard cubic feet) volume of helium gas was discovered in Lake Rukwa worth $3.5 billion. Rift Valley lakes Lake
ARCADE (673 words) [view diff] exact match in snippet view article find links to article
radiometers which were cooled to 2.7 K (−270.45 °C; −454.81 °F) using liquid helium, with the intent to measure temperature differences as small as 1/1000 of
NGC 265 (428 words) [view diff] exact match in snippet view article find links to article
astronomers term the abundance of elements with higher atomic number than helium – is at around −0.62, or only 24% of that in the Sun. The turn-off mass
Supernova nucleosynthesis (4,500 words) [view diff] exact match in snippet view article find links to article
heavier ones occurs during sequential hydrostatic burning processes called helium burning, carbon burning, oxygen burning, and silicon burning, in which the
NGC 299 (384 words) [view diff] exact match in snippet view article find links to article
cluster, what astronomers term the abundance of elements more massive than helium, is almost identical to that of the Sun. The cluster is old enough that
YF-75 (522 words) [view diff] exact match in snippet view article find links to article
to enable thrust vectoring control. The engine also heats hydrogen and helium to pressurize the stage tanks and can control the mixture ratio to optimize
Moon (2009 film) (3,716 words) [view diff] exact match in snippet view article
personal crisis as he nears the end of a three-year solitary stint mining helium-3 on the far side of the Moon. Kevin Spacey voices Sam's robot companion
Young stellar object (595 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
89 Virginis (441 words) [view diff] exact match in snippet view article find links to article
It is a red clump star, which indicates it is generating energy through helium fusion at its core. This object is 3.4 billion years old with 1.7 times
Electroweak star (447 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Pneumoencephalography (900 words) [view diff] exact match in snippet view article find links to article
the brain by means of a lumbar puncture and replaced with air, oxygen, or helium to allow the structure of the brain to show up more clearly on an X-ray
F-type main-sequence star (952 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
CN star (352 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Luminous red nova (922 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Compact star (2,579 words) [view diff] exact match in snippet view article find links to article
Related links Compact star Quark star Exotic star Extreme helium star Subdwarf B star Helium planet In binary systems Nova Remnant List Dwarf nova Symbiotic
63 Ceti (453 words) [view diff] exact match in snippet view article find links to article
branch, a stage in stellar evolution, and is generating energy through core helium fusion. It is close to a billion years old and is radiating 64 times the
Molecular cloud (1,658 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
John Morgan Wells (984 words) [view diff] exact match in snippet view article find links to article
decompression tables in the late 1970s, the deep diving mixture of oxygen, helium, and nitrogen known as NOAA Trimix I, for research in undersea habitats
John Morgan Wells (984 words) [view diff] exact match in snippet view article find links to article
decompression tables in the late 1970s, the deep diving mixture of oxygen, helium, and nitrogen known as NOAA Trimix I, for research in undersea habitats
Carbon-12 (779 words) [view diff] exact match in snippet view article find links to article
when a helium-4 nucleus fuses with a beryllium-8 nucleus in a high-temperature (108 K) environment with densely concentrated (105 g/cm3) helium. This process
Molecular cloud (1,658 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Henyey track (211 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Functional residual capacity (487 words) [view diff] exact match in snippet view article find links to article
RV precisely, one would need to perform a test such as nitrogen washout, helium dilution or body plethysmography. A lowered or elevated FRC is often an
Starspot (721 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Shawn Fanning (1,230 words) [view diff] exact match in snippet view article find links to article
guests and more of it on fixing his technology." In 2013 Fanning founded Helium Systems together with Amir Haleem, and Sean Carey. In December 2014, the
List of coolest stars (225 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
CN star (352 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
HD 11506 (599 words) [view diff] exact match in snippet view article find links to article
shows a higher than solar abundance of elements other than hydrogen and helium – what astronomers term the metallicity. The star is radiating 117% of the
Superglass (144 words) [view diff] exact match in snippet view article find links to article
and a frozen amorphous structure. J.C. Séamus Davis theorised that frozen helium-4 (at 0.2 K and 50 Atm) may be a superglass. Superfluid Giulio Biroli; Claudio
3 Andromedae (606 words) [view diff] exact match in snippet view article find links to article
giant. It is a red clump star, which means it is generating energy through helium fusion at its core. This star has an estimated 1.7 times the mass of the
Inviscid flow (1,728 words) [view diff] exact match in snippet view article find links to article
known as inviscid flow. To date, helium is the only fluid to exhibit superfluidity that has been discovered. Helium becomes a superfluid once it is cooled
Cold fusion (15,807 words) [view diff] exact match in snippet view article find links to article
the helium they measured was due to background from the air. In 1927 Swedish scientist John Tandberg reported that he had fused hydrogen into helium in
TU Andromedae (412 words) [view diff] exact match in snippet view article find links to article
a cool asymptotic giant branch star, meaning it is fusing hydrogen and helium in concentric shells outside an inert core of carbon and oxygen formed earlier
WR 24 (786 words) [view diff] exact match in snippet view article find links to article
the sky. The spectrum of WR 24 has the characteristic strong nitrogen and helium emission lines of a WN star, but also lines of hydrogen that show Doppler-displaced
The Warlord of Mars (1,886 words) [view diff] exact match in snippet view article find links to article
Barsoom, The Fighting Prince of Mars, Across Savage Mars, The Prince of Helium, and The War Lord of Mars. The finished story was first published in All-Story
PV Telescopii variable (368 words) [view diff] exact match in snippet view article find links to article
Variable Stars with the acronym PVTEL. This class of variables are defined as "helium supergiant Bp stars with weak hydrogen lines and enhanced lines of He and
Pyroelectric fusion (1,470 words) [view diff] exact match in snippet view article find links to article
these energy levels, two deuterium nuclei can fuse together to produce a helium-3 nucleus, a 2.45 MeV neutron and bremsstrahlung. Although it makes a useful
Neutron number (498 words) [view diff] exact match in snippet view article find links to article
Only two stable nuclides have fewer neutrons than protons: hydrogen-1 and helium-3. Hydrogen-1 has the smallest neutron number, 0. Teh Fu Yen, Chemistry
GRB 101225A (1,592 words) [view diff] exact match in snippet view article find links to article
prefers a more conventional supernova mechanism, involving a merger between a helium star and a neutron star at a distance of about 5.5 billion light years from
HD 219623 (787 words) [view diff] exact match in snippet view article find links to article
generating energy at its core through the thermonuclear fusion of hydrogen into helium. It is larger than the Sun, with 120% of the Sun's radius and 122% of the
CH star (347 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
49 Aquarii (342 words) [view diff] exact match in snippet view article find links to article
a red clump giant, indicating that it is generating energy through the helium fusion at its core. It is around 950 million years old with 2.2 times the
HD 37017 (836 words) [view diff] exact match in snippet view article find links to article
binary that ranges in brightness from 6.54 down to 6.58. The primary is a helium-strong, magnetic chemically peculiar star with a stellar classification
Ross 548 (512 words) [view diff] exact match in snippet view article find links to article
carbon and oxygen, a relatively thin outer envelope of hydrogen, and a helium mantle. The object has 65% of the mass of the Sun, with 1.2% of the Sun's
Messier 68 (616 words) [view diff] exact match in snippet view article find links to article
clusters, which means it has a paucity of elements other than hydrogen and helium. The cluster may be undergoing core-collapse, and it displays signs of being
Hydrogen narcosis (257 words) [view diff] exact match in snippet view article find links to article
hydrogen narcosis, where divers dived to 500 m (1,600 ft) with a hydrogen–helium–oxygen (Hydreliox) mixture containing 49% hydrogen, it was found that while
IQ Aurigae (585 words) [view diff] exact match in snippet view article find links to article
strong line of singly ionized silicon, and may also be helium deficient as the lines of helium are weaker than expected. The star is an Alpha2 Canum Venaticorum-type
Hypothetical star (261 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
HeliumV (534 words) [view diff] exact match in snippet view article find links to article
Helium V is an open-source ERP suite. It has been developed by Helium V IT-Solutions GmbH in Austria starting in 2005. The industry of initial focus has
Rocketdyne J-2 (5,583 words) [view diff] exact match in snippet view article find links to article
high-pressure duct or helium was provided from the vehicle stage and routed to the heat exchanger coils. This system was made up of an integral helium and hydrogen
Kepler-11d (1,142 words) [view diff] exact match in snippet view article find links to article
comparable to that of Saturn, suggests that Kepler-11d has a large hydrogen–helium atmosphere. Kepler-11d was announced with its five sister planets on February
Cryogenic storage dewar (558 words) [view diff] exact match in snippet view article find links to article
vacuum flask used for storing cryogens (such as liquid nitrogen or liquid helium), whose boiling points are much lower than room temperature. Cryogenic storage
Stellar wind (568 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Rocketdyne J-2 (5,583 words) [view diff] exact match in snippet view article find links to article
high-pressure duct or helium was provided from the vehicle stage and routed to the heat exchanger coils. This system was made up of an integral helium and hydrogen
Small planet radius gap (778 words) [view diff] exact match in snippet view article find links to article
separations from their parent stars, and planets with thick hydrogen- and helium-dominated envelopes with larger radii at larger separations. The bimodality
69 Virginis (610 words) [view diff] exact match in snippet view article find links to article
giant, which indicates is on the horizontal branch generating energy via helium fusion at its core. The star is about 288 million years old with 3.5 times
Messier 68 (616 words) [view diff] exact match in snippet view article find links to article
clusters, which means it has a paucity of elements other than hydrogen and helium. The cluster may be undergoing core-collapse, and it displays signs of being
HeliumV (534 words) [view diff] exact match in snippet view article find links to article
Helium V is an open-source ERP suite. It has been developed by Helium V IT-Solutions GmbH in Austria starting in 2005. The industry of initial focus has
Fermion (1,019 words) [view diff] exact match in snippet view article find links to article
superfluidity of helium-3: in superconducting materials, electrons interact through the exchange of phonons, forming Cooper pairs, while in helium-3, Cooper
F Centauri (418 words) [view diff] exact match in snippet view article find links to article
classification of M1III, indicating it has exhausted the supply of both hydrogen and helium at its core and is cooling and expanding. It is a suspected variable star
Symbiotic binary (897 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
HD 123569 (416 words) [view diff] exact match in snippet view article find links to article
astronomers term the abundance of elements with a higher atomic number than helium. The star is radiating 40 times the luminosity of the Sun from its enlarged
Triatomic molecule (372 words) [view diff] exact match in snippet view article find links to article
the trihydrogen cation is stable by itself and is symmetric. 4He3, the helium trimer is only weakly bound by van der Waals force and is in an Efimov state
List of white dwarfs (497 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Ap and Bp stars (746 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
HD 224693 (605 words) [view diff] exact match in snippet view article find links to article
metal rich, showing a higher abundance of elements other than hydrogen and helium when compared to the Sun. It has 1.3 times the mass of the Sun and 1.8 times
Douglas Osheroff (849 words) [view diff] exact match in snippet view article find links to article
matter physics, in particular for his co-discovery of superfluidity in Helium-3. For his contributions he shared the 1996 Nobel Prize in Physics along
Rebreather (7,597 words) [view diff] exact match in snippet view article find links to article
breathing gas is specially enriched or contains expensive components, such as helium diluent or anaesthetic gases. Rebreathers are used in many environments:
S-process (2,160 words) [view diff] exact match in snippet view article find links to article
group seed nuclei to 58Fe on up to Sr and Y, and takes place at the end of helium- and carbon-burning in massive stars. It employs primarily the 22Ne neutron
Aquila X-1 (284 words) [view diff] exact match in snippet view article find links to article
radiation flux is slightly variable due to the nuclear burning of the accreted helium on the surface. Brown, A. G. A.; et al. (Gaia collaboration) (August 2018)
Gravastar (1,212 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Aerojet General X-8 (2,374 words) [view diff] exact match in snippet view article find links to article
RTV-N-10 and Army XASR-SC-2s used the Aerojet XASR-2 2,600 lbf (12 kN) thrust helium pressurized engine. In 1949 the Air Force instigated the development of
R136b (433 words) [view diff] exact match in snippet view article find links to article
Wolf–Rayet star, with strong emission lines. Although it shows enhanced helium and nitrogen at its surface, it is still a very young star, still burning
N2K Consortium (372 words) [view diff] exact match in snippet view article find links to article
metallicity, which is the abundance of elements other than hydrogen and helium. The observing campaign uses the Keck, Magellan and Subaru telescopes, plus
Black star (semiclassical gravity) (447 words) [view diff] exact match in snippet view article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Bipolar outflow (995 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Kappa2 Ceti (372 words) [view diff] exact match in snippet view article find links to article
the horizontal branch, which indicates it is generating energy through helium fusion at its core. The star has 2.46 times the mass of the Sun and has
Mercury-manganese star (266 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Bodyjar (1,964 words) [view diff] exact match in snippet view article find links to article
Bodyjar in 1994; their previous names included Damnation (1990–91) and Helium (1992–93). The latter group released an album, You Can't Hold Me Down, in
Korea Pathfinder Lunar Orbiter (1,237 words) [view diff] exact match in snippet view article find links to article
also be tasked with surveying lunar resources such as water ice, uranium, helium-3, silicon, and aluminium, and produce a topographic map to help select
Quantum hydrodynamics (195 words) [view diff] exact match in snippet view article find links to article
equations). Some common experimental applications of these studies are in liquid helium (3He and 4He), and of the interior of neutron stars and the quark–gluon
Photon epoch (424 words) [view diff] exact match in snippet view article find links to article
Heavier atoms began to form through nuclear fusion processes: tritium, helium-3, and helium-4. Finally, trace amounts of lithium and beryllium began to appear
Lambda1 Fornacis (383 words) [view diff] exact match in snippet view article find links to article
from the main sequence. It is currently on the horizontal branch, fusing helium in its core. The star has 2.3 times the mass of the Sun and 12 times its
Protoplanetary nebula (1,145 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Colonization of the outer Solar System (1,641 words) [view diff] exact match in snippet view article find links to article
Solar System's gas giant planets for exploration and possibly mining of helium-3, which could have a very high value per unit mass as a thermonuclear fuel
36 Comae Berenices (381 words) [view diff] exact match in snippet view article find links to article
hydrogen at its center and is now generating energy through hydrogen and helium fusion along shells surrounding an inert carbon and oxygen core. It has
Lists of stars (555 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
List of Solar System objects (466 words) [view diff] exact match in snippet view article find links to article
non-periodic comets Small objects, including: Meteoroids Interplanetary dust Helium focusing cone, around the Sun Human-made objects orbiting the Sun, Mercury
Phi4 Ceti (423 words) [view diff] exact match in snippet view article find links to article
the horizontal branch, which indicates it is generating energy through helium fusion at its core. The star has about 1.76 times the mass of the Sun and
11 Aquarii (551 words) [view diff] exact match in snippet view article find links to article
the Sun, this star has a higher abundance of elements more massive than helium. This indicates it belongs to a class of stars called metal-rich. The star
Russell Humphreys (1,628 words) [view diff] exact match in snippet view article find links to article
Creationist Helium Diffusion "Dates", Kevin R. Henke, TalkOrigins Archive Helium Evidence for A Young World Remains Crystal-Clear, D. Russell Humphreys Helium Evidence
A-type main-sequence star (1,149 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Messier 7 (507 words) [view diff] exact match in snippet view article find links to article
cluster contains a similar abundance of elements other than hydrogen and helium as the Sun. On August 29, 2006, Messier 7 was used for first light image
82 Aquarii (413 words) [view diff] exact match in snippet view article find links to article
stellar classification of M2 III, having exhausted both the hydrogen and helium at its core and expanded to 56 times the Sun's radius. It is a suspected
Deep diving (4,701 words) [view diff] exact match in snippet view article find links to article
toxicity, which may lead to a convulsion underwater. Very deep diving using a helium-oxygen mixture (heliox) carries a risk of high-pressure nervous syndrome
Superconductivity (7,498 words) [view diff] exact match in snippet view article find links to article
liquid helium. C. On the change of electric resistance of pure metals at very low temperatures etc. IV. The resistance of pure mercury at helium temperatures"
The Gods of Mars (4,376 words) [view diff] exact match in snippet view article find links to article
Thoris, their unborn child, and the Red Martian people of the nation of Helium, whom he has adopted as his own. Unfortunately, Carter materializes in the
69 Aquilae (377 words) [view diff] exact match in snippet view article find links to article
indicating that it is on the horizontal branch and is generating energy through helium fusion at its core. The star is about 3.4 billion years old with 1.54 times
Helium mass spectrometer (1,349 words) [view diff] exact match in snippet view article find links to article
A helium mass spectrometer is an instrument commonly used to detect and locate small leaks. It was initially developed in the Manhattan Project during
Stellar parallax (2,276 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Edward D. Thalmann (3,623 words) [view diff] exact match in snippet view article find links to article
C. Langworthy; T. E. Berghage (1973). "Indirect calorimetry in man in helium-oxygen at 50 atmospheres pressure". Clin. Res. 21 (4): 848. Raymond, L.
Planck star (529 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Supernova impostor (394 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
T Tauri star (912 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
W Virginis (622 words) [view diff] exact match in snippet view article find links to article
halfway from maximum to minimum visual brightness. W Virginis stars are old helium shell burning stars with masses less than the sun. They have supergiant
Exotic star (2,226 words) [view diff] exact match in snippet view article find links to article
are formed from mostly protons, which are fermions, but also consist of Helium-4 nuclei, which are bosons). For this type of star to exist, there must
Rp-process (659 words) [view diff] exact match in snippet view article find links to article
reactions, as most environments with a high flux of hydrogen are also rich in helium. The time scale for the rp-process is set by β+ decays at or near the proton
Iota Andromedae (883 words) [view diff] exact match in snippet view article find links to article
of 12,620 K. The star is somewhat metal-poor, although the abundance of helium is close to solar. The latter excludes it from membership among the class
Stellar collision (1,754 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
16 Aquarii (473 words) [view diff] exact match in snippet view article find links to article
energy via hydrogen fusion along a shell surrounding a hot core of inert helium. The star has 2.3 times the mass of the Sun and has expanded to 8 times
1 Serpentis (656 words) [view diff] exact match in snippet view article find links to article
It is a red clump giant, a cool horizontal branch star that is fusing helium in its core. It has expanded to over 13 times the radius of the Sun and
Kepler-11c (1,230 words) [view diff] exact match in snippet view article find links to article
planet from its star, and is most likely a water planet with a thin hydrogen–helium atmosphere. Kepler-11c orbits Kepler-11 every 10 days, and has an estimated
15 Cygni (457 words) [view diff] exact match in snippet view article find links to article
sequence. It is a red clump giant, which means it is generating energy via helium fusion at its core. The star is 1.50 billion years old with 2.3 times the
YF-73 (362 words) [view diff] exact match in snippet view article find links to article
incorporated dual heat exchangers that heated hydrogen gas, and supplied helium from separate systems to pressurize the hydrogen and oxygen tanks. The engine
52 Cygni (406 words) [view diff] exact match in snippet view article find links to article
away. 52 Cygni is a probable horizontal branch (red clump) star, fusing helium in its core, although there is a 25% chance that it is still on the red
Omega Persei (425 words) [view diff] exact match in snippet view article find links to article
classification of K0 III. It is a red clump star that is generating energy via helium fusion at its core. At the estimated age of 1.65 billion years, Omega Persei
Yellow hypergiant (3,158 words) [view diff] exact match in snippet view article find links to article
sodium and some other heavy elements. Carbon and oxygen are depleted, while helium is enhanced, as expected for a post-main-sequence star. Yellow hypergiants
Kepler-11c (1,230 words) [view diff] exact match in snippet view article find links to article
planet from its star, and is most likely a water planet with a thin hydrogen–helium atmosphere. Kepler-11c orbits Kepler-11 every 10 days, and has an estimated
Messier 34 (663 words) [view diff] exact match in snippet view article find links to article
years. The average proportion of elements with higher atomic numbers than helium is termed the metallicity by astronomers. This is expressed by the logarithm
41 Aquarii (480 words) [view diff] exact match in snippet view article find links to article
supply of hydrogen at its core and is now generating energy through core helium fusion. It has eight times the girth of the Sun and is radiating 34 times
68 Aquarii (472 words) [view diff] exact match in snippet view article find links to article
which means it is on the horizontal branch and is generating energy through helium fusion at its core. It has 1.39 times the mass of the Sun and 10 times the
71 Cygni (403 words) [view diff] exact match in snippet view article find links to article
horizontal branch of the Hertzsprung–Russell diagram and is generating energy by helium fusion at its center. The star has double the mass of the Sun and eight
The Chessmen of Mars (2,521 words) [view diff] exact match in snippet view article find links to article
their daughter Tara, princess of Helium, whose hand is sought by the gallant Gahan, Jed (prince) of Gathol. Both Helium and Gathol are prominent Barsoomian
Radiation (5,579 words) [view diff] exact match in snippet view article find links to article
is radioactive materials that emit α, β, or γ radiation, consisting of helium nuclei, electrons or positrons, and photons, respectively. Other sources
9 Cygni (349 words) [view diff] exact match in snippet view article find links to article
red clump giant, a star on the cool end of the horizontal branch fusing helium in its core. The secondary star has begun to evolve off the main sequence;
52 Cygni (406 words) [view diff] exact match in snippet view article find links to article
away. 52 Cygni is a probable horizontal branch (red clump) star, fusing helium in its core, although there is a 25% chance that it is still on the red
NY Virginis (769 words) [view diff] exact match in snippet view article find links to article
hot subdwarf and that the spectrum is dominated by hydrogen rather than helium. In 2011 one superjovian planet NY Virginis (AB) b on a wide orbit was discovered
California Balloon Law (750 words) [view diff] exact match in snippet view article find links to article
passed SB 1990, enacting a Balloon Law to regulate the sales and use of helium-filled foil balloons. The law was passed in an effort to reduce power outages
OH/IR star (313 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Ethynyl radical (1,342 words) [view diff] exact match in snippet view article find links to article
observed by electron spin resonance isolated in a solid argon matrix at liquid helium temperatures in 1963 by Cochran and coworkers at the Johns Hopkins Applied
Semiregular variable star (881 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
Omega Persei (425 words) [view diff] exact match in snippet view article find links to article
classification of K0 III. It is a red clump star that is generating energy via helium fusion at its core. At the estimated age of 1.65 billion years, Omega Persei
Yellow hypergiant (3,158 words) [view diff] exact match in snippet view article find links to article
sodium and some other heavy elements. Carbon and oxygen are depleted, while helium is enhanced, as expected for a post-main-sequence star. Yellow hypergiants
Omicron Boötis (508 words) [view diff] exact match in snippet view article find links to article
so-called "red clump", which indicates it is generating energy through helium fusion at its core. Although it displays a higher abundance of barium than
49 Persei (417 words) [view diff] exact match in snippet view article find links to article
which would indicate it is past the red giant branch stage and is fusing helium at its core. The star is nearly four billion years old with 1.4 times the
V763 Centauri (495 words) [view diff] exact match in snippet view article find links to article
a semiregular variable of sub-type SRb. With the supply of hydrogen and helium at its core exhausted, the star has expanded until now it has 65 times the
84 Ceti (644 words) [view diff] exact match in snippet view article find links to article
and 213% of the luminosity. The abundance of elements more massive than helium is 71% of the Sun's and it has a relatively high projected rotational velocity
UCI WorldTeam (227 words) [view diff] exact match in snippet view article find links to article
Aquila CV Shimano LTS Lotto–Soudal (2017 season)  Belgium Campagnolo Ridley Helium SLX Ridley Noah SL Ridley Fenix SL Ridley Dean Fast Campagnolo MOV Movistar
HD 85859 (417 words) [view diff] exact match in snippet view article find links to article
indicates it is on the horizontal branch and is generating energy through helium fusion at its core. The star has 1.55 times the mass of the Sun and is radiating
Luminous blue variable (4,541 words) [view diff] exact match in snippet view article find links to article
simulations have shown that these outbursts may be caused by variations in helium opacity. Many luminous blue variables also show small amplitude variability
Stellar collision (1,754 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf
HD 79498 (265 words) [view diff] exact match in snippet view article find links to article
It has a higher than solar abundance of elements other than hydrogen and helium; what astronomers term a metal-rich star. The secondary star of the star
Suzaku (satellite) (725 words) [view diff] exact match in snippet view article
malfunctions occurred. These ultimately caused the entire reservoir of liquid helium to boil off into space by 8 August 2005. This effectively shut down the
Telescopium (4,196 words) [view diff] exact match in snippet view article find links to article
white dwarfs: PV Telescopii, also known as HD 168476, is a hot blue extreme helium star, while RS Telescopii is an R Coronae Borealis variable. RR Telescopii
16 Virginis (763 words) [view diff] exact match in snippet view article find links to article
giant, which indicates is on the horizontal branch generating energy via helium fusion at its core. The interferometry-measured angular diameter of this
Sigma Centauri (631 words) [view diff] exact match in snippet view article find links to article
B-type main sequence star with a stellar classification of B3 V. It is a helium-rich star, the most massive type of chemically peculiar star. Sigma Centauri
List of hottest stars (784 words) [view diff] exact match in snippet view article find links to article
peculiar Am Ap/Bp HgMn Helium-weak Barium Extreme helium Lambda Boötis Lead Technetium Be Shell B[e] Remnants Compact star White dwarf Helium planet Black dwarf