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searching for observable universe 99 found (305 total)

Draco Supercluster (299 words) [view diff] exact match in snippet view article find links to article

it one of the largest and most massive superclusters known in the observable universe.[verification needed] The supercluster has 16 members, all with measured

Octuple-precision floating-point format (739 words) [view diff] exact match in snippet view article find links to article

is needed to describe all known physical limitations within the observable universe or precisions better than planck units. In its 2008 revision, the

Antihydrogen (2,219 words) [view diff] exact match in snippet view article find links to article

the question of why there is more matter than antimatter in the observable universe, known as the baryon asymmetry problem. Antihydrogen is produced

Leptogenesis (769 words) [view diff] exact match in snippet view article find links to article

Unsolved problem in physics: Why does the observable universe have more matter than antimatter? (more unsolved problems in physics) In physical cosmology

Sisters of the Sun (818 words) [view diff] exact match in snippet view article find links to article

once per galaxy per century or one billion times per year in the observable universe. The episode pays homage to the discoveries of two female astronomers

Nonsingular black hole models (1,138 words) [view diff] exact match in snippet view article find links to article

nonsingular black hole can comprise all of the dark matter in the observable universe because the fraction of primordial black holes that is dark matter

Biosphere (3,346 words) [view diff] exact match in snippet view article find links to article

total number of estimated stars (and Earth-like planets) in the observable universe as 1024, a number which is more than all the grains of beach sand

Zero-energy universe (1,419 words) [view diff] exact match in snippet view article find links to article

universe. The zero energy solution for Minkowski space representing an observable universe, was provided in 2009. In his book Brief Answers to the Big Questions

Abell 2744 Y1 (116 words) [view diff] case mismatch in snippet view article find links to article

Laboratory. "Instituto de Astrofísica de Canarias - IAC - Educational Outreach". "Pushing the Limits of the Observable Universe". Jet Propulsion Laboratory.

Cygnus (constellation) (5,874 words) [view diff] exact match in snippet view article

giant galaxy filament that is the largest known structure in the observable universe, covering most of the northern sky. In Polynesia, Cygnus was often

Chiral anomaly (3,271 words) [view diff] exact match in snippet view article find links to article

law of this kind. Many physicists suspect that the fact that the observable universe contains more matter than antimatter is caused by a chiral anomaly

Hot dark matter (628 words) [view diff] case mismatch in snippet view article find links to article

Theoretically, in order to explain relatively small-scale structures in the observable Universe, it is necessary to invoke cold dark matter or WDM. In other words

Blitzar (444 words) [view diff] exact match in snippet view article find links to article

collapses; they are projected to occur every 10 seconds within the observable universe. Because the magnetic field had previously cleared the surrounding

Giant Arc (325 words) [view diff] exact match in snippet view article find links to article

light-years away and stretches across roughly a 15th of the radius of the observable universe. It was discovered using data from the Sloan Digital Sky Survey by

Missing baryon problem (2,644 words) [view diff] exact match in snippet view article find links to article

the Universe. At the same time, a census of baryons in the recent observable universe has found that observed baryonic matter accounts for less than half

Lists of astronomical objects (546 words) [view diff] case mismatch in snippet view article find links to article

In this map of the Observable Universe, objects appear enlarged to show their shape. From left to right celestial bodies are arranged according to their

Cosmological constant problem (2,464 words) [view diff] exact match in snippet view article find links to article

curvature of the observable universe – one would obtain a vacuum energy density of such a value that the radius of the observable universe would not reach

Elementary particle (3,544 words) [view diff] exact match in snippet view article find links to article

(almost entirely protons and neutrons) in the observable universe. The number of protons in the observable universe is called the Eddington number. In terms

Isotropy (1,244 words) [view diff] exact match in snippet view article find links to article

cosmology (including the Big Bang theory of the evolution of the observable universe), assumes that the universe is both isotropic and homogeneous, meaning

Cetus (1,464 words) [view diff] case mismatch in snippet view article find links to article

galaxy filament that is one of the largest known structures in the observable Universe; it contains the Virgo supercluster which contains the Local Group

Topological defect (2,864 words) [view diff] exact match in snippet view article find links to article

In particular, if domain walls and monopoles were present in the observable universe, they would result in significant deviations from what astronomers

Infinite monkey theorem (7,030 words) [view diff] exact match in snippet view article find links to article

reversed. If there were as many monkeys as there are atoms in the observable universe typing extremely fast for trillions of times the life of the universe

Fractal cosmology (1,182 words) [view diff] exact match in snippet view article find links to article

Linde's theory shows fractality at scales likely larger than the observable universe, theories like causal dynamical triangulation and the asymptotic

Abraham Zelmanov (1,559 words) [view diff] case mismatch in snippet view article find links to article

It is impossible to divorce the Universe from the observer. The observable Universe depends on the observer and the observer depends on the Universe

Oppenheimer–Snyder model (1,567 words) [view diff] exact match in snippet view article find links to article

enough, the same Robertson-Walker geometry as in the rest of the observable universe. Albert Einstein, who had developed his theory of general relativity

Anders Sandberg (954 words) [view diff] exact match in snippet view article find links to article

likelihood that we are alone in our galaxy or even alone in the entire observable universe, thus proposing a solution to the famous Fermi paradox, which asks

Leo (constellation) (1,778 words) [view diff] exact match in snippet view article

clusters. Leo is also home to some of the largest structures in the observable universe. Some of the structures found in the constellation are the Clowes–Campusano

Combinatorial explosion (1,227 words) [view diff] exact match in snippet view article find links to article

larger than the estimated number of fundamental particles in the observable universe. In administration and computing, a combinatorial explosion is the

Statistical finance (1,410 words) [view diff] exact match in snippet view article find links to article

observational science where markets are observed in the same way as the observable universe in cosmology, or the observable ecosystems in the environmental sciences

Boltzmann brain (3,093 words) [view diff] exact match in snippet view article find links to article

exactly such a way as to form a substructure equivalent to our entire observable universe. Boltzmann argues that, while most of the universe is featureless

Boltzmann brain (3,093 words) [view diff] exact match in snippet view article find links to article

exactly such a way as to form a substructure equivalent to our entire observable universe. Boltzmann argues that, while most of the universe is featureless

Point source (902 words) [view diff] exact match in snippet view article find links to article

emanating. Although singularities such as this do not exist in the observable universe, mathematical point sources are often used as approximations to reality

Great Attractor (1,566 words) [view diff] exact match in snippet view article find links to article

Hercules–Corona Borealis Great Wall – Largest known structure in the observable universe Shapley Supercluster – Largest concentration of galaxies in our local

List of astronomical objects named after people (1,812 words) [view diff] exact match in snippet view article find links to article

named after Amina Helmi. Hubble volume, a spherical region of the observable universe surrounding an observer beyond which objects recede from that observer

Eric Weinstein (1,342 words) [view diff] exact match in snippet view article find links to article

particle physics, creating the illusion of missing matter in the observable universe. It also predicts more than 150 currently undiscovered subatomic

Helium (16,368 words) [view diff] exact match in snippet view article find links to article

It is the second-lightest and second most abundant element in the observable universe, after hydrogen. It is present at about 24% of the total elemental

Googol (1,249 words) [view diff] exact match in snippet view article find links to article

packed with sand, would contain 1063 grains. If the much larger observable universe of today were filled with sand, it would still only equal 1095 grains

Introduction to M-theory (1,042 words) [view diff] exact match in snippet view article find links to article

that would confirm its validity. It also does not single out our observable universe as being special, and so does not aim to predict from first principles

Jerry Hsu (3,555 words) [view diff] case mismatch in snippet view article find links to article

mid-2012. The opening of Hsu's solo photographic exhibition "The Observable Universe" occurred in Los Angeles, California, U.S. on July 2, 2013. The exhibition

Erdős–Kac theorem (920 words) [view diff] exact match in snippet view article find links to article

fine sand would have around 1033 grains. A volume the size of the observable universe would have around 1093 grains of sand. There might be room for 10185

Extraterrestrial life (14,349 words) [view diff] exact match in snippet view article find links to article

Hubble Space Telescope, there are nearly 2 trillion galaxies in the observable universe. It is estimated that at least ten percent of all Sun-like stars

Period 1 element (2,701 words) [view diff] exact match in snippet view article find links to article

the second lightest element and is the second most abundant in the observable universe. Most helium was formed during the Big Bang, but new helium is being

Great Debate (astronomy) (1,109 words) [view diff] case mismatch in snippet view article

200 billion (2×1011) to 2 trillion (2×1012) or more galaxies in the observable Universe. Also, astronomers generally accept that the nova Shapley referred

Neoplatonism and Gnosticism (2,171 words) [view diff] exact match in snippet view article find links to article

conscious beings above the rank of humans. Plotinus thought that the observable universe is the consequence of timeless divine activity and therefore eternal

Starobinsky inflation (927 words) [view diff] exact match in snippet view article find links to article

soon realized that the late time inflation which is relevant for observable universe was essentially controlled by the contribution from a squared Ricci

Go and mathematics (1,727 words) [view diff] exact match in snippet view article find links to article

C\approx 2.975734192043357249381} . It has been estimated that the observable universe contains around 1080 atoms, far fewer than the number of possible

DBm (1,074 words) [view diff] exact match in snippet view article find links to article

estimated at 50 times the power output of all the stars in the observable universe. 420 dBm 1×1039 W Cygnus A, one of the most powerful radio sources

String theory landscape (1,788 words) [view diff] exact match in snippet view article find links to article

compute it for parameters radically different from those of the observable universe. Tegmark et al. have recently considered these objections and proposed

Axis of evil (cosmology) (1,361 words) [view diff] exact match in snippet view article

microwave sky, which appear to be caused by structure at the edge of the observable universe. Specifically, with respect to the ecliptic plane, the "top half"

The Blackwell Companion to Science and Christianity (855 words) [view diff] case mismatch in snippet view article find links to article

Plantinga Part III - Natural Theology Arguments to God from the Observable Universe, by Richard Swinburne 'God of the Gaps' Arguments, by Gregory E.

Kate Isaak (924 words) [view diff] exact match in snippet view article find links to article

of the discovery it was the most distant detection of dust in the observable universe. She started working with the European Space Agency in 2004 whilst

Palomar Observatory (3,187 words) [view diff] exact match in snippet view article find links to article

research programs on the 200-inch Hale Telescope cover the range of the observable universe, including studies on near-Earth asteroids, outer Solar System planets

A Sky Full of Ghosts (684 words) [view diff] exact match in snippet view article find links to article

nature of the speed of light and how much of what is seen of the observable universe is from light emanated from billions of years ago. Tyson further

Spontaneous symmetry breaking (3,852 words) [view diff] case mismatch in snippet view article find links to article

monopoles (along with any GUT domain walls) are expelled from our observable Universe through cosmic inflation. Chiral symmetry breaking is an example

Ronald Mallett (2,090 words) [view diff] exact match in snippet view article find links to article

the ring would have to be much larger in circumference than the observable universe. At one point, Mallett agreed that in vacuum, the energy requirements

Instrumental convergence (2,948 words) [view diff] exact match in snippet view article find links to article

converting first the Earth and then increasingly large chunks of the observable universe into paperclips." Bostrom 2014, chapter 7 Bostrom, Nick (2003). "Ethical

Mathematical joke (2,898 words) [view diff] exact match in snippet view article find links to article

"billions and billions", a metric of the number of stars in the observable universe. Jenny's constant has been defined as J = ( 7 e − 1 / e − 9 ) ⋅ π

Planetarium of Nantes (781 words) [view diff] case mismatch in snippet view article find links to article

computers and software (astronomical simulator) to reconstruct the observable Universe data astronomical catalogs constructed by data from astrometric satellites

Holographic principle (3,969 words) [view diff] exact match in snippet view article find links to article

represents the Planck length or time. In these units, the size of the observable universe is about 26. Various physical systems and experiments are plotted

Landau pole (2,306 words) [view diff] exact match in snippet view article find links to article

field theory itself may be questioned, is 1028 eV. The energy of the observable universe is on the order of 1088 eV. The Higgs boson in the Standard Model

TNT equivalent (3,443 words) [view diff] exact match in snippet view article find links to article

resulting in the first observation of gravitational waves, released 5.3×1047 joules 9.6×1053 1.12×1066 Wh Estimated mass-energy of the observable universe.

Standing Up in the Milky Way (1,812 words) [view diff] exact match in snippet view article find links to article

infrared sensors. He then examines the bubble theory, and how our observable universe might be just a bubble in a "never-ending" set of bubbles, analogous

Hapax Legomena (1,167 words) [view diff] exact match in snippet view article find links to article

comes from ordinary matter, matter that makes up nearly all the observable universe. Remote Control is divided into five sections, each of which uses

Gravitational wave (12,715 words) [view diff] exact match in snippet view article find links to article

it released more than 50 times the power of all the stars in the observable universe combined. The signal increased in frequency from 35 to 250 Hz over

VISTA (telescope) (2,709 words) [view diff] case mismatch in snippet view article

data will also be used to create a 3D map of about 5% of the entire observable Universe. Further out, VISTA will be a powerful tool for discovering remote

Bayesian history matching (701 words) [view diff] case mismatch in snippet view article find links to article

(February 1, 2014). "Galaxy Formation: Bayesian History Matching for the Observable Universe". Statistical Science. 29 (1): 81–90. arXiv:1405.4976. doi:10.1214/12-STS412

Orders of magnitude (time) (1,279 words) [view diff] case mismatch in snippet view article

a hypothetical box containing a black hole with the mass of the observable Universe. 10 10 10 10 10 1.1 {\displaystyle {10}^{{10}^{{10}^{{10}^{{10}^{1

Absolute magnitude (5,779 words) [view diff] exact match in snippet view article find links to article

of −32, making them the most luminous persistent objects in the observable universe, although these objects can vary in brightness over astronomically

List of largest cosmic structures (1,630 words) [view diff] exact match in snippet view article find links to article

gamma-ray burst mapping. Largest-known regular formation in the observable universe. Huge-LQG (2012–2013) 4,000,000,000 Decoupling of 73 quasars. Largest-known

Specified complexity (3,965 words) [view diff] exact match in snippet view article find links to article

bounded by "the maximal number of bit operations that the known, observable universe could have performed throughout its entire multi-billion year history"

European Southern Observatory (5,370 words) [view diff] exact match in snippet view article find links to article

gas and dust, studying distant galaxies towards the edge of the observable universe and studying relic radiation from the Big Bang. A call for ALMA science

Particle accelerator (7,678 words) [view diff] exact match in snippet view article find links to article

specially designed FEL is the most brilliant source of x-rays in the observable universe. The most prominent examples are the LCLS in the U.S. and European

Carbon (10,867 words) [view diff] exact match in snippet view article find links to article

green. Carbon is the fourth most abundant chemical element in the observable universe by mass after hydrogen, helium, and oxygen. Carbon is abundant in

Microbial ecology (5,903 words) [view diff] exact match in snippet view article find links to article

6578. JSTOR 44981. PMC 33863. PMID 9618454. "number of stars in the observable universe - Wolfram|Alpha". Retrieved November 22, 2011. Reddy, K. Ramesh;

Fine-structure constant (7,098 words) [view diff] exact match in snippet view article find links to article

identified a variation of the fine-structure constant across the observable universe. These results have not been replicated by other researchers. In

Alpha Magnetic Spectrometer (5,442 words) [view diff] case mismatch in snippet view article find links to article

scientists believe there are about 100–200 billion galaxies in the observable Universe and some versions of the Big Bang theory of the origin of the Universe

Black hole (disambiguation) (634 words) [view diff] exact match in snippet view article

galaxies Black hole cosmology, a cosmological model in which the observable universe is the interior of a black hole Black hole thermodynamics, a area

No free lunch in search and optimization (3,264 words) [view diff] exact match in snippet view article find links to article

typical objective function or algorithm than Seth Lloyd estimates the observable universe is capable of registering. For instance, if each candidate solution

Leon Pape (1,198 words) [view diff] case mismatch in snippet view article find links to article

physics, California Institute of Technology 1987 : "How Old is the Observable Universe?" William A. Fowler, Nobel Laureate in Physics, 1983, institute professor

M-theory (7,721 words) [view diff] exact match in snippet view article find links to article

has been used to construct models of brane cosmology in which the observable universe is thought to exist on a brane in a higher dimensional ambient space

UNCOVER-z12 (498 words) [view diff] exact match in snippet view article find links to article

13, making it the 3rd most distant object ever discovered in the observable universe. List of the most distant astronomical objects Maisie's Galaxy, another

Katie Melua (6,974 words) [view diff] exact match in snippet view article find links to article

the lyrics: We are 13.7 billion light-years from the edge of the observable universe / That's a good estimate with well-defined error bars / And with

String theory (15,265 words) [view diff] exact match in snippet view article find links to article

brane-world scenario. In this approach, physicists assume that the observable universe is a four-dimensional subspace of a higher dimensional space. In

CP violation (7,580 words) [view diff] exact match in snippet view article find links to article

matter than antimatter? (more unsolved problems in physics) The observable universe is made chiefly of matter, rather than consisting of equal parts

Proper velocity (2,600 words) [view diff] exact match in snippet view article find links to article

the pulse of a 1.8 MegaJoule laser, a 250 GeV electron, and our observable universe with the blackbody kinetic energy expected of a single particle at

Soldier Field (7,473 words) [view diff] exact match in snippet view article find links to article

zoom out to a field of view of 10^24 meters, or the size of the observable universe. Turan, Kenneth (October 20, 2006). "Movie Review: Flags of Our Fathers"

Wormholes in fiction (5,004 words) [view diff] exact match in snippet view article find links to article

Earth is unfit for life. The wormhole takes them halfway across the observable universe to another star system, containing a huge black hole named Gargantua

Nebular hypothesis (9,180 words) [view diff] exact match in snippet view article find links to article

twenty years, with, at the very least, billions more, within our observable universe, yet to be discovered. The orbits of many of these planets and systems

Introduction to general relativity (9,133 words) [view diff] exact match in snippet view article find links to article

lensing masses are spread out over a significant fraction of the observable universe, and can be used to obtain information about the large-scale properties

Orders of magnitude (area) (1,776 words) [view diff] exact match in snippet view article

disk 1042 1 square zettametre (Zm2) ... 1048 1 square yottametre (Ym2) 1054 1 square ronnametre (Rm2) 2.4 Rm2 Surface area of the observable universe

Future Circular Collider (5,758 words) [view diff] exact match in snippet view article find links to article

particles, which account for approximately 25% of the energy in the observable universe. Though no experiment at colliders can probe the full range of dark

Approximations of π (12,280 words) [view diff] exact match in snippet view article find links to article

the fact that the circumference of the largest known object, the observable universe, can be calculated from its diameter (93 billion light-years) to

Mermin–Wagner theorem (4,310 words) [view diff] exact match in snippet view article find links to article

logarithmic in the size: The sample would have to be larger than the observable universe for a 2D superconducting transition to be suppressed below ~100 K

Busy beaver (7,870 words) [view diff] exact match in snippet view article find links to article

remotely possible to write down, much less run a machine for, in the observable universe. Another property of S(n) is that no arithmetically sound, computably

Science in the ancient world (6,936 words) [view diff] exact match in snippet view article find links to article

example of the exhaustive documentation of the natural world and observable universe that often preoccupied Chinese scholars. Chinese star names are mentioned

Fast radio burst (15,037 words) [view diff] case mismatch in snippet view article find links to article

Abraham (2017). "A Fast Radio Burst Occurs Every Second throughout the Observable Universe". The Astrophysical Journal Letters. 846 (2): L27. arXiv:1706.06582

List of hypothetical particles (1,092 words) [view diff] exact match in snippet view article find links to article

to experimental errors: Cosmon, hypothetical state containing the observable universe before the Big Bang. Diproton (He-2), nuclei consisting of two protons

Olive Winchester (6,147 words) [view diff] exact match in snippet view article find links to article

identifying her own view as the "planetesimal theory," which held that the observable universe developed as gravitational forces caused matter to coalesce over

2013 in science (33,204 words) [view diff] exact match in snippet view article find links to article

Telescope releases new data on the highest-energy regions of the observable universe, including over 500 new gamma-ray bursts. 2 July Drinking several