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searching for Radius (band) 195 found (14650 total)

alternate case: radius (band)

Solar radius (224 words) [view diff] no match in snippet view article find links to article
Solar radius is a unit of distance used to express the size of stars in astronomy equal to the current radius of the Sun: The solar radius is approximately
Radius (898 words) [view diff] no match in snippet view article find links to article
For other uses, see Radius (disambiguation). In classical geometry, the radius of a circle or sphere is the length of a line segment from its center
Radius (bone) (801 words) [view diff] no match in snippet view article find links to article
The radius or radial bone is one of the two large bones of the forearm, the other being the ulna. It extends from the lateral side of the elbow to the
Schwarzschild radius (1,631 words) [view diff] no match in snippet view article find links to article
The Schwarzschild radius (sometimes historically referred to as the gravitational radius) is the radius of a sphere such that, if all the mass of an object
Earth radius (2,260 words) [view diff] no match in snippet view article find links to article
For the historical development of the concept, see Spherical Earth. Earth radius is the distance from Earth's center to its surface, about 6,371 kilometers
Bohr radius (592 words) [view diff] no match in snippet view article find links to article
The Bohr radius () is a physical constant, approximately equal to the most probable distance between the proton and electron in a hydrogen atom in its
Radius gauge (171 words) [view diff] no match in snippet view article find links to article
A radius gauge, also known as a fillet gauge, is a tool used to measure the radius of an object. Radius gauges require a bright light behind the object
Ulnar notch of the radius (52 words) [view diff] no match in snippet view article find links to article
the ulna is called the ulnar notch (sigmoid cavity) of the radius; it is in the distal radius, and is narrow, concave, smooth, and articulates with the
Lower extremity of radius (407 words) [view diff] no match in snippet view article find links to article
The distal end of the radius is large and of quadrilateral form. It is provided with two articular surfaces - one below, for the carpus, and another
Head of radius (449 words) [view diff] no match in snippet view article find links to article
The head of the radius has a cylindrical form, and on its upper surface is a shallow cup or fovea for articulation with the capitulum of the humerus. The
Classical electron radius (460 words) [view diff] no match in snippet view article find links to article
The classical electron radius, also known as the Lorentz radius or the Thomson scattering length, is based on a classical (i.e. non-quantum) relativistic
RADIUS (2,131 words) [view diff] no match in snippet view article find links to article
Remote Authentication Dial In User Service (RADIUS) is a networking protocol that provides centralized Authentication, Authorization, and Accounting (AAA)
Body of radius (588 words) [view diff] no match in snippet view article find links to article
The body of the radius (or shaft of radius) is prismoid in form, narrower above than below, and slightly curved, so as to be convex lateralward. It presents
Spectral radius (697 words) [view diff] no match in snippet view article find links to article
In mathematics, the spectral radius of a square matrix or a bounded linear operator is the supremum among the absolute values of the elements in its spectrum
Combat radius (273 words) [view diff] no match in snippet view article find links to article
Combat radius refers to the distance from an airbase that a warplane can reach, patrol there for a set amount of time and return to base with minimal fuel
Radial tuberosity (87 words) [view diff] no match in snippet view article find links to article
Beneath the neck of the radius, on the medial side, is an eminence, the radial tuberosity; its surface is divided into: a posterior, rough portion, for
Bend radius (294 words) [view diff] no match in snippet view article find links to article
Bend radius, which is measured to the inside curvature, is the minimum radius one can bend a pipe, tube, sheet, cable or hose without kinking it, damaging
Minimum railway curve radius (1,369 words) [view diff] no match in snippet view article find links to article
The minimum railway curve radius, the shortest allowable design radius for railway tracks under a particular set of conditions. It has an important bearing
Wigner–Seitz radius (175 words) [view diff] no match in snippet view article find links to article
The Wigner–Seitz radius , named after Eugene Wigner and Frederick Seitz, is the radius of a sphere whose volume is equal to the mean volume per atom in
Atomic radius (1,639 words) [view diff] no match in snippet view article find links to article
definitions of atomic radius. Three widely used definitions of atomic radius are Van der Waals radius, ionic radius, and covalent radius. Depending on the
Upper extremity of radius (212 words) [view diff] no match in snippet view article find links to article
The upper extremity of the radius (or proximal extremity) presents a head, neck, and tuberosity. The radial head has a cylindrical form, and on its upper
Radius of curvature (applications) (669 words) [view diff] no match in snippet view article find links to article
sphere to its surface is its radius. For other curved lines or surfaces, the radius of curvature at a given point is the radius of a circle that mathematically
Radius of curvature (mathematics) (248 words) [view diff] no match in snippet view article find links to article
In geometry, the radius of curvature, R, of a curve at a point is a measure of the radius of the circular arc which best approximates the curve at that
Radius rod (304 words) [view diff] no match in snippet view article find links to article
A radius rod (also called a radius arm or a torque arm) is a suspension link intended to control wheel motion in the longitudinal (fore-aft) direction
Turning radius (490 words) [view diff] no match in snippet view article find links to article
turning radius of a vehicle is the radius of the smallest circular turn (i.e. U-turn) that the vehicle is capable of making. The term turning radius is a
Radius of gyration (670 words) [view diff] no match in snippet view article find links to article
Radius of gyration or gyradius refers to the distribution of the components of an object around an axis. In terms of mass moment of inertia, it is the
Gyroradius (418 words) [view diff] no match in snippet view article find links to article
The gyroradius (also known as radius of gyration, Larmor radius or cyclotron radius) is the radius of the circular motion of a charged particle in the
Annular ligament of radius (375 words) [view diff] no match in snippet view article find links to article
(orbicular ligament) is a strong band of fibers that encircles the head of the radius, and retains it in contact with the radial notch of the ulna. Per Terminologia
TAR syndrome (1,427 words) [view diff] no match in snippet view article find links to article
Syndrome (thrombocytopenia with absent radius) is a rare genetic disorder that is characterized by the absence of the radius bone in the forearm, and a dramatically
Radius of curvature (optics) (309 words) [view diff] no match in snippet view article find links to article
Radius of curvature (ROC) has specific meaning and sign convention in optical design. A spherical lens or mirror surface has a center of curvature located
Einstein radius (710 words) [view diff] no match in snippet view article find links to article
The Einstein radius is the radius of an Einstein ring, and is a characteristic angle for gravitational lensing in general, as typical distances between
Radial styloid process (124 words) [view diff] no match in snippet view article find links to article
styloid process is a projection of bone on the lateral surface of the distal radius bone. It extends obliquely downward into a strong, conical projection. The
Hydrodynamic radius (204 words) [view diff] no match in snippet view article find links to article
The hydrodynamic radius of a macromolecule or colloid particle has two meanings. Some books use it as a synonym for the Stokes radius. Others books define
Van der Waals radius (1,769 words) [view diff] no match in snippet view article find links to article
The van der Waals radius, rw, of an atom is the radius of an imaginary hard sphere which can be used to model the atom for many purposes. It is named after
Base curve radius (160 words) [view diff] no match in snippet view article find links to article
Base curve radius, or simply base curve, abbreviated BCR or BC, is the measure of one important parameter of a lens in optometry. On a spectacle lens,
Pegasus Toroidal Experiment (79 words) [view diff] no match in snippet view article find links to article
version of the tokamak configuration, i.e. the minor radius of the torus is comparable to the major radius. Other spherical torus experiments: National Spherical
Radius of convergence (1,802 words) [view diff] no match in snippet view article find links to article
In mathematics, the radius of convergence of a power series is the radius of the largest disk in which the series converges. It is either a non-negative
Synchronous orbit (409 words) [view diff] no match in snippet view article find links to article
A synchronous orbit is an orbit in which an orbiting body (usually a satellite) has a period equal to the average rotational period of the body being orbited
Molière radius (251 words) [view diff] no match in snippet view article find links to article
For other uses, see Molière (disambiguation). The Molière radius is a characteristic constant of a material giving the scale of the transverse dimension
Cation-anion radius ratio (224 words) [view diff] no match in snippet view article find links to article
inorganic chemistry the cation-anion radius ratio is the ratio of the ionic radius of the cation to the ionic radius of the anion in a cation-anion compound
Moon (14,926 words) [view diff] no match in snippet view article find links to article
(Earth radius / Radius of Moon's orbit)2 ] relative to the direct solar illumination that occurs for a full moon. (Earth albedo = 0.367; Earth radius = (polar
Charge radius (1,370 words) [view diff] no match in snippet view article find links to article
The rms charge radius is a measure of the size of an atomic nucleus, particularly of a proton or a deuteron. It can be measured by the scattering of electrons
Blast Radius (92 words) [view diff] no match in snippet view article find links to article
Blast Radius is a space combat simulator video game developed by Psygnosis Camden Studio and published by Psygnosis for the PlayStation. The game received
Convexity of radius (104 words) [view diff] no match in snippet view article find links to article
confused with Radius of convexity a mathematical term. The Convexity of the radius or the convexity of the lateral surface of the radius refers to the
Star (12,942 words) [view diff] no match in snippet view article find links to article
based on the characteristics of the Sun: Large lengths, such as the radius of a giant star or the semi-major axis of a binary star system, are often
Stokes radius (481 words) [view diff] no match in snippet view article find links to article
The Stokes radius or Stokes-Einstein radius (named after George Gabriel Stokes) of a solute is the radius of a hard sphere that diffuses at the same rate
Distal radius fracture (2,749 words) [view diff] no match in snippet view article find links to article
A distal radius fracture is a common bone fracture of the radius in the forearm. Because of its proximity to the wrist joint, this injury is often called
Effective radius (152 words) [view diff] no match in snippet view article find links to article
For cloud drops, see Cloud drop effective radius. The effective radius () of a galaxy is the radius at which half of the total light of the system
Filling radius (644 words) [view diff] no match in snippet view article find links to article
In Riemannian geometry, the filling radius of a Riemannian manifold X is a metric invariant of X. It was originally introduced in 1983 by Mikhail Gromov
Star (12,942 words) [view diff] no match in snippet view article find links to article
based on the characteristics of the Sun: Large lengths, such as the radius of a giant star or the semi-major axis of a binary star system, are often
Antenna equivalent radius (519 words) [view diff] no match in snippet view article find links to article
The equivalent radius of an antenna conductor is defined as: where denotes the conductor's circumference, is the length of the circumference, and
Jupiter (10,554 words) [view diff] no match in snippet view article find links to article
Earths, yet the planet is only 318 times as massive. Jupiter's radius is about 1/10 the radius of the Sun, and its mass is 0.001 times the mass of the Sun
Molecule (1,937 words) [view diff] no match in snippet view article find links to article
have been produced with a diameter of 1000 Å (100 nm) Effective molecular radius is the size a molecule displays in solution. The table of permselectivity
Radius (computer) (622 words) [view diff] no match in snippet view article find links to article
For the computer software company, see Radius (company) Radius was an American computer hardware firm founded in May 1986 by Burrell Smith, Andy Hertzfeld
Blast radius (66 words) [view diff] no match in snippet view article find links to article
game, see Blast Radius. A blast radius is the distance from the source that will be affected when an explosion occurs. A blast radius is often associated
Covalent radius (762 words) [view diff] no match in snippet view article find links to article
The covalent radius, rcov, is a measure of the size of an atom that forms part of one covalent bond. It is usually measured either in picometres (pm) or
Planck particle (414 words) [view diff] no match in snippet view article find links to article
to its Schwarzschild radius. Its mass is thus approximately the Planck mass, and its Compton wavelength and Schwarzschild radius are about the Planck
Torsion of a curve (456 words) [view diff] no match in snippet view article find links to article
convention: it is a by-product of the historical development of the subject. The radius of torsion, often denoted by σ, is defined as Geometric relevance: The
Joint spectral radius (1,314 words) [view diff] no match in snippet view article find links to article
In mathematics, the joint spectral radius is a generalization of the classical notion of spectral radius of a matrix, to sets of matrices. In recent years
Forearm (587 words) [view diff] no match in snippet view article find links to article
and the ankle joints, the crus. The forearm contains two long bones, the radius and the ulna, forming the radioulnar joint. The interosseous membrane connects
Hill sphere (1,235 words) [view diff] no match in snippet view article find links to article
22 km in radius. A typical extrasolar "hot Jupiter", HD 209458 b has a Hill sphere of radius (593,000 km) about 8 times its physical radius (approx 71
Ossification of radius (163 words) [view diff] no match in snippet view article find links to article
The radius is one of the two bones in the forearm. The radius is ossified from three centers: one for the body, and one for either extremity. That for
Ulna (779 words) [view diff] no match in snippet view article find links to article
bones in the forearm, the other being the radius. It is prismatic in form and runs parallel to the radius, which is shorter and smaller. In anatomical
100 picometres (253 words) [view diff] no match in snippet view article find links to article
covalent radius of sulfur atom 120 pm – van der Waals radius of a neutral hydrogen atom 126 pm – covalent radius of ruthenium atom 135 pm – covalent radius of
Black hole electron (600 words) [view diff] no match in snippet view article find links to article
postulate geodesic motion as part of general relativity. The Schwarzschild radius (rs) of any mass is given by: For an electron, G is Newton's gravitational
One Block Radius (377 words) [view diff] no match in snippet view article find links to article
One Block Radius is an alternative hip hop group made up of Marty James (vocals, raps, production), MDA (vocals, turntables), and emcee Z-Man (a Hieroglyphics
White dwarf (11,978 words) [view diff] no match in snippet view article find links to article
between 0.008 and 0.02 times the radius of the Sun; this is comparable to the Earth's radius of approximately 0.009 solar radius. A white dwarf, then, packs
Annulus (mathematics) (365 words) [view diff] no match in snippet view article find links to article
is the difference in the areas of the larger circle of radius R and the smaller one of radius r: The area of an annulus can be obtained from the length
List of minor-planet groups (2,196 words) [view diff] no match in snippet view article find links to article
defined as having orbits similar to Earth's; i.e., with an average orbital radius of around 1 AU and with low eccentricity and inclination. Due to the vagueness
The Weinstein Company (1,340 words) [view diff] no match in snippet view article find links to article
distributes films on multiple formats (including video-on-demand) through its Radius-TWC brand. In September 2013, Bob and Harvey Weinstein launched the TWC-Dimension
Semi-major axis (1,064 words) [view diff] no match in snippet view article find links to article
it is the radius of an orbit at the orbit's two most distant points. For the special case of a circle, the semi-major axis is the radius. One can think
Ionic radius (1,531 words) [view diff] no match in snippet view article find links to article
Ionic radius, rion, is the radius of an atom's ion. Although neither atoms nor ions have sharp boundaries, they are sometimes treated as if they were
Sphere (2,994 words) [view diff] no match in snippet view article find links to article
r from a given point in three-dimensional space. This distance r is the radius of the sphere, and the given point is the center of the sphere. The maximum
Radius of maximum wind (951 words) [view diff] no match in snippet view article find links to article
The radius of maximum wind (RMW) is the distance between the center of a cyclone and its band of strongest winds. It is a parameter in atmospheric dynamics
Exoplanet (20,610 words) [view diff] no match in snippet view article find links to article
maximum radius because adding more mass at that point causes the planet to compress under the weight instead of increasing the radius. The maximum radius for
Polar coordinate system (3,915 words) [view diff] no match in snippet view article find links to article
polar axis. The distance from the pole is called the radial coordinate or radius, and the angle is the angular coordinate, polar angle, or azimuth. See
Tropical cyclone (16,292 words) [view diff] no match in snippet view article find links to article
momentum. At an inner radius, air begins to ascend to the top of the troposphere. This radius is typically coincident with the inner radius of the eyewall,
Plasma parameters (567 words) [view diff] no match in snippet view article find links to article
gyroradius, the radius of the circular motion of an electron in the plane perpendicular to the magnetic field: ion gyroradius, the radius of the circular
Atomic radii of the elements (data page) (656 words) [view diff] no match in snippet view article find links to article
Main article: atomic radius The atomic radius of a chemical element is a measure of the size of its atoms, usually the mean or typical distance from the
List of gear nomenclature (3,832 words) [view diff] no match in snippet view article find links to article
pitch radius is the radius of the pitch circle in a cross section of gear teeth in any plane other than a plane of rotation. It is properly the radius of
List of Solar System objects by size (3,878 words) [view diff] no match in snippet view article find links to article
System objects by size, arranged in descending order of mean volumetric radius, and subdivided into several size classes. These lists can also be sorted
Incircle and excircles of a triangle (1,824 words) [view diff] no match in snippet view article find links to article
the incircle radius r and the circumcircle radius R of a triangle with sides a, b, and c is Some relations among the sides, incircle radius, and circumcircle
Surface area (1,064 words) [view diff] no match in snippet view article find links to article
has a radius of 1 μm, the SA:V ratio is 3; whereas if the radius of the cell is instead 10 μm, then the SA:V ratio becomes 0.3. With a cell radius of 100
Lister's tubercle (57 words) [view diff] no match in snippet view article find links to article
Lister's tubercle or dorsal tubercle of radius is a bony prominence located at the distal end of the radius, palpable on the dorsum of the wrist. Lister's
Position (vector) (913 words) [view diff] no match in snippet view article find links to article
geometry, a position or position vector, also known as location vector or radius vector, is a Euclidean vector that represents the position of a point P
Humeroradial joint (351 words) [view diff] no match in snippet view article find links to article
The humeroradial joint is the joint between the head of the radius and the capitulum of the humerus, is a limited ball-and-socket joint, hinge type of
Action Radius (157 words) [view diff] no match in snippet view article find links to article
"Action Radius" is a song written by Silver Surfing Rubeboy and recorded by electronica DJ Junkie XL (who included the writer of the song as a special
Distance (graph theory) (697 words) [view diff] no match in snippet view article find links to article
graph. A central vertex in a graph of radius is one whose eccentricity is —that is, a vertex that achieves the radius or, equivalently, a vertex such that
10 picometres (154 words) [view diff] no match in snippet view article find links to article
empirical radius of hydrogen atom 28 pm — covalent radius of helium atom 31 pm — covalent radius of hydrogen atom 31 pm — calculated radius of helium
Line-of-sight propagation (1,635 words) [view diff] no match in snippet view article find links to article
down toward the surface of the Earth, effectively increasing the Earth's radius, and the distance to the radio horizon, by a factor around 4/3. This k-factor
Hubble volume (595 words) [view diff] no match in snippet view article find links to article
approximately 1031 cubic light years. The comoving radius of a Hubble sphere (known as the Hubble radius or the Hubble length) is , where is the speed of
OGLE-TR-123 (262 words) [view diff] no match in snippet view article find links to article
stellar system containing one of the smallest main-sequence stars whose radius has been measured. It was discovered when the Optical Gravitational Lensing
Glossary of Riemannian and metric geometry (1,661 words) [view diff] no match in snippet view article find links to article
"Radius of convexity" redirects here. For the anatomical feature of the radius bone, see Convexity of radius. This is a glossary of some terms used in
Sphere of influence (black hole) (453 words) [view diff] no match in snippet view article find links to article
The radius of the sphere of influence is called the "(gravitational) influence radius". There are two definitions in common use for the radius of the
Roche limit (2,896 words) [view diff] no match in snippet view article find links to article
IPA, similar to the sound of rosh), sometimes referred to as the Roche radius, is the distance within which a celestial body, held together only by its
Stability radius (923 words) [view diff] no match in snippet view article find links to article
The stability radius of an object (system, function, matrix, parameter) at a given nominal point is the radius of the largest ball, centered at the nominal
Tachocline (333 words) [view diff] no match in snippet view article find links to article
tachocline is located at a radius of at most 0.70 times the Solar radius (measured from the core, i.e., the surface is at 1 solar radius), with a thickness of
Damocloid (509 words) [view diff] no match in snippet view article find links to article
greater than 30 days providing reasonably decent orbits. Their average radius is eight kilometers assuming an albedo of 0.04. The albedos of four damocloids
Damocloid (509 words) [view diff] no match in snippet view article find links to article
greater than 30 days providing reasonably decent orbits. Their average radius is eight kilometers assuming an albedo of 0.04. The albedos of four damocloids
Radiator RADIUS server (206 words) [view diff] no match in snippet view article find links to article
Radiator RADIUS Server is a product of Open System Consultants Pty Limited. It provides authentication, authorisation and accounting (AAA protocol) access
Jeans instability (1,098 words) [view diff] no match in snippet view article find links to article
the density of the gas at , is the gravitational constant and is the radius. The equilibrium is stable if small perturbations are damped and unstable
Volume (1,401 words) [view diff] no match in snippet view article find links to article
cone, sphere and cylinder of the same radius and height are in the ratio 1 : 2 : 3, as follows. Let the radius be r and the height be h (which is 2r for
Scrub radius (897 words) [view diff] no match in snippet view article find links to article
The scrub radius is the distance in front view between the king pin axis and the center of the contact patch of the wheel, where both would theoretically
Earth (14,283 words) [view diff] no match in snippet view article find links to article
although on a global scale these deviations are small compared to Earth's radius: The maximum deviation of only 0.17% is at the Mariana Trench (10911 m below
Delone set (1,175 words) [view diff] no match in snippet view article find links to article
related definitions of well-spaced sets of points, and the packing radius and covering radius of these sets measure how well-spaced they are. These sets have
List of data references for chemical elements (254 words) [view diff] no match in snippet view article find links to article
the elements (data page) — atomic radius (empirical), atomic radius (calculated), van der Waals radius, covalent radius Boiling points of the elements (data
Medallion knitting (287 words) [view diff] no match in snippet view article find links to article
to the crochet of doilies, by progressively increasing or decreasing the radius. The most difficult part of flat medallion knitting is increasing or decreasing
Conformal radius (956 words) [view diff] no match in snippet view article find links to article
In mathematics, the conformal radius is a way to measure the size of a simply connected planar domain D viewed from a point z in it. As opposed to notions
Asteroid belt (7,227 words) [view diff] no match in snippet view article find links to article
Palermo, Sicily, found a tiny moving object in an orbit with exactly the radius predicted by the Titius–Bode law. He dubbed it Ceres, after the Roman goddess
Electron (13,102 words) [view diff] no match in snippet view article find links to article
of the radius of the electron is a challenging problem of the modern theoretical physics. The admission of the hypothesis of a finite radius of the electron
Pluto (11,496 words) [view diff] no match in snippet view article find links to article
from the radius r: . Volume v derived from the radius r: . Surface gravity derived from the mass M, the gravitational constant G and the radius r: . Escape
Betelgeuse (15,001 words) [view diff] no match in snippet view article find links to article
luminous and yet one of the most ethereal stars known. A radius of 5.5 AU is roughly 1,180 times the radius of the Sun—able to contain over 2 quadrillion Earths
Distal radioulnar articulation (292 words) [view diff] no match in snippet view article find links to article
joint between the two bones in the forearm; the radius and ulna. It is one of two joints between the radius and ulna, the other being the proximal radioulnar
Callisto (moon) (5,960 words) [view diff] no match in snippet view article find links to article
It is the fourth Galilean moon of Jupiter by distance, with an orbital radius of about 1880000 km. It does not form part of the orbital resonance that
Numerical range (484 words) [view diff] no match in snippet view article find links to article
are used to study quantum computing. A related concept is the numerical radius, which is the largest absolute values of the numbers in the numerical range
Pauling's rules (992 words) [view diff] no match in snippet view article find links to article
ionic radii determines the cation-anion distance, while the cation-anion radius ratio (or ) determines the coordination number (C.N.) of the cation, as
Solar core (1,225 words) [view diff] no match in snippet view article find links to article
Sun is considered to extend from the center to about 0.2 to 0.25 solar radius. It is the hottest part of the Sun and of the Solar System. It has a density
Hamming bound (924 words) [view diff] no match in snippet view article find links to article
one ball of radius r centered at each codeword of C. The packing radius of C is the largest value of s such that the set of balls of radius s centered
RadSec (192 words) [view diff] no match in snippet view article find links to article
transporting RADIUS datagrams over TCP and TLS. The RADIUS protocol is a widely deployed authentication and authorization protocol. The supplementary RADIUS Accounting
Cone (1,144 words) [view diff] no match in snippet view article find links to article
geometry section below. The "base radius" of a circular cone is the radius of its base; often this is simply called the radius of the cone. The aperture of
Eccentric anomaly (654 words) [view diff] no match in snippet view article find links to article
P and locating its intercept P′ with the auxiliary circle, a circle of radius (the semi-major axis of the ellipse) that enscribes the entire ellipse
Friedmann–Lemaître–Robertson–Walker metric (2,477 words) [view diff] no match in snippet view article find links to article
Then r is unitless and a(t) has units of length. When k = ±1, a(t) is the radius of curvature of the space, and may also be written R(t). A disadvantage
The Diamond Brothers (307 words) [view diff] no match in snippet view article find links to article
planning an Australian adventure for the Diamond Brothers, entitled The Radius of the Lost Shark. This title was also mentioned in the introduction to
Focus (geometry) (1,105 words) [view diff] no match in snippet view article find links to article
and the center of the directrix circle have finite coordinates and the radius of the directrix circle is greater than the distance between the center
IK Pegasi (4,846 words) [view diff] no match in snippet view article find links to article
primary begins to evolve into a red giant, it is expected to grow to a radius where the white dwarf can accrete matter from the expanded gaseous envelope
2006 BL8 (51 words) [view diff] no match in snippet view article find links to article
at about 9 lunar distances. It is about 48 meters in diameter (24 meter radius). NASA - NEO Earth Close Approaches JPL - 2006 BL8 Astrowatch.net -
Bridge pattern (977 words) [view diff] no match in snippet view article find links to article
drawCircle(double x, double y, double radius) { System.out.printf("API2.circle at %f:%f radius %f\n", x, y, radius); } } /** "Abstraction" */
Circle (3,633 words) [view diff] no match in snippet view article find links to article
constant. The distance between any of the points and the centre is called the radius. A circle is a simple closed curve which divides the plane into two regions:
Kepler-78 (53 words) [view diff] no match in snippet view article find links to article
a 12th magnitude star in the constellation Cygnus. It is 27% smaller in radius than the Sun. It has a temperature of 5143K.[citation needed] A planet,
Problem of Apollonius (9,822 words) [view diff] no match in snippet view article find links to article
any of the three given circles can be shrunk to zero radius (a point) or expanded to infinite radius (a line). Viète's approach, which uses simpler limiting
Circumference (299 words) [view diff] no match in snippet view article find links to article
diameter, or equivalently as the ratio of the circumference to twice the radius. Thus The use of the mathematical constant π is ubiquitous in mathematics
Critical radius (243 words) [view diff] no match in snippet view article find links to article
Critical radius is the minimum size that must be formed by atoms or molecules clustering together (in a gas, liquid or solid matrix) before a new-phase
Main sequence (6,380 words) [view diff] no match in snippet view article find links to article
its luminosity and radius. That is, for a given mass and composition, there is a unique solution for determining the star's radius and luminosity. This
Rings of Jupiter (5,160 words) [view diff] no match in snippet view article find links to article
ring system. Its outer edge is located at a radius of about 129000 km (1.806 RJ; RJ = equatorial radius of Jupiter or 71398 km) and coincides with the
Epitrochoid (181 words) [view diff] no match in snippet view article find links to article
traced by a point attached to a circle of radius r rolling around the outside of a fixed circle of radius R, where the point is a distance d from the
Geographic coordinate system (2,124 words) [view diff] no match in snippet view article find links to article
spherical, but has an equatorial bulge making the radius at the equator about 0.3% larger than the radius measured through the poles. The shorter axis approximately
Rossby radius of deformation (204 words) [view diff] no match in snippet view article find links to article
In atmospheric dynamics and physical oceanography, the Rossby radius of deformation is the length scale at which rotational effects become as important
Cloud drop effective radius (276 words) [view diff] no match in snippet view article find links to article
The cloud drop effective radius (alternatively cloud effective radius or effective radius) is a weighted mean of the size distribution of cloud droplets
Hypotrochoid (162 words) [view diff] no match in snippet view article find links to article
roulette traced by a point attached to a circle of radius r rolling around the inside of a fixed circle of radius R, where the point is a distance d from the
Extrasolar Planets Encyclopaedia (504 words) [view diff] no match in snippet view article find links to article
with their basic properties such as the year of planet’s discovery, mass, radius, orbital period, semi-major axis, eccentricity, inclination, longitude of
Splash damage (363 words) [view diff] no match in snippet view article find links to article
video game developer, see Splash Damage. Splash damage, also known as radius damage, is a term used in several types of video games, most notably in
Covalent radius of fluorine (1,256 words) [view diff] no match in snippet view article find links to article
The covalent radius of fluorine is a measure of the size of a fluorine atom; it is approximated at about 60 picometres. Since fluorine is a relatively
Globular cluster (8,543 words) [view diff] no match in snippet view article find links to article
means of standard radii. These are the core radius (rc), the half-light radius (rh), and the tidal radius (rt). The overall luminosity of the cluster
Unit circle (861 words) [view diff] no match in snippet view article find links to article
unit circle is a circle with a radius of one. Frequently, especially in trigonometry, the unit circle is the circle of radius one centered at the origin (0
Saturn (8,541 words) [view diff] no match in snippet view article find links to article
(♄) represents the god's sickle. Saturn is a gas giant with an average radius about nine times that of Earth. Although only one-eighth the average density
Alexandra Radius (206 words) [view diff] no match in snippet view article find links to article
Alexandra Mary Theodora (Lex) Radius (born 3 July 1942 in Amsterdam) is a retired Dutch ballerina. Radius had her debut in 1957 at the Netherlands Ballet
Radiation zone (568 words) [view diff] no match in snippet view article find links to article
between the solar core at .2 of the Sun's radius and the outer convection zone at .71 of the Sun's radius. -PLEASE NOTE- The convection zone and the
QZ Carinae (478 words) [view diff] no match in snippet view article find links to article
around 40 times the Sun's mass that has expanded to 22.5 times the Sun's radius. With a surface temperature of 32000 K, it is around 500,000 times as luminous
Ejecta blanket (164 words) [view diff] no match in snippet view article find links to article
the crater. Approximately half the volume of ejecta falls within 1 crater radius of the rim, or 2 radii from the center of the crater. The ejecta blanket
Splash damage (363 words) [view diff] no match in snippet view article find links to article
video game developer, see Splash Damage. Splash damage, also known as radius damage, is a term used in several types of video games, most notably in
Radius of outermost closed isobar (540 words) [view diff] no match in snippet view article find links to article
The radius of outermost closed isobar (ROCI) is one of the quantities used to determine the size of a tropical cyclone. It is determined by measuring the
Madelung's deformity (1,409 words) [view diff] no match in snippet view article find links to article
in the inferior volar part of the epiphysial growth plate in the distal radius resulting in a volar placed slope of the fossa lunatum and fossa scaphoideum
Area (4,212 words) [view diff] no match in snippet view article find links to article
cone: , where r is the radius of the circular base, and h is the height. That can also be rewritten as or where r is the radius and l is the slant height
Arc (geometry) (581 words) [view diff] no match in snippet view article find links to article
The length (more precisely, arc length), L, of an arc of a circle with radius and subtending an angle (measured in radians) with the circle center —
Debye length (1,227 words) [view diff] no match in snippet view article find links to article
In plasmas and electrolytes the Debye length (also called Debye radius), named after the Dutch physicist and physical chemist Peter Debye, is the measure
Saturn (8,541 words) [view diff] no match in snippet view article find links to article
(♄) represents the god's sickle. Saturn is a gas giant with an average radius about nine times that of Earth. Although only one-eighth the average density
Radial nerve (1,327 words) [view diff] no match in snippet view article find links to article
branch of the radial nerve pierces the supinator muscle, winds around the radius under the cover of supinator to reach posterior of forearm where it again
Radial fossa (71 words) [view diff] no match in snippet view article find links to article
the radial fossa, which receives the anterior border of the head of the radius, when the forearm is flexed. Human arm bones diagram Elbow
Great-circle distance (1,057 words) [view diff] no match in snippet view article find links to article
circumference of the circle, or , where r is the radius of the sphere. The Earth is nearly spherical (see Earth radius) so great-circle distance formulas give
Epicycloid (370 words) [view diff] no match in snippet view article find links to article
particular kind of roulette. If the smaller circle has radius r, and the larger circle has radius R = kr, then the parametric equations for the curve can
Astroid (383 words) [view diff] no match in snippet view article find links to article
in form to the evolute of an ellipse. A circle of radius 1/4 rolls around inside a circle of radius 1 and a point on its circumference traces an astroid
OGLE-TR-122 (292 words) [view diff] no match in snippet view article find links to article
stellar system containing one of the smallest main-sequence stars whose radius has been measured. It was discovered when the Optical Gravitational Lensing
Surface gravity (1,960 words) [view diff] no match in snippet view article find links to article
square of its radius, and the surface gravity of a planet or star with a given average density will be approximately proportional to its radius. For example
Thermal insulation (1,512 words) [view diff] no match in snippet view article find links to article
resistance is inversely proportional to the surface area and therefore the radius of the cylinder, while the thermal resistance of a cylindrical shell (the
Horizon (2,868 words) [view diff] no match in snippet view article find links to article
Earth, it is perpendicular to the radius at the horizon. This sets up a right triangle, with the sum of the radius and the height as the hypotenuse. With
Metallic bonding (3,477 words) [view diff] no match in snippet view article find links to article
bonding. Metallic radius is defined as one-half of the distance between the two adjacent metal ions in the metallic lattice. This radius depends on the nature
Circle of a sphere (632 words) [view diff] no match in snippet view article find links to article
otherwise it is a small circle. Circles of a sphere have radius less than or equal to the sphere radius, with equality when the circle is a great circle.
N-sphere (2,174 words) [view diff] no match in snippet view article find links to article
of radius r is defined as the set of points in (n + 1)-dimensional Euclidean space which are at distance r from a central point, where the radius r may
Sun (15,080 words) [view diff] no match in snippet view article find links to article
Earth by photosynthesis, and drives Earth's climate and weather. The Sun's radius can be measured from its center to the edge of the photosphere, the apparent
List of least voluminous stars (458 words) [view diff] no match in snippet view article find links to article
"A planet-sized transiting star around OGLE-TR-122. Accurate mass and radius near the hydrogen-burning limit". Astronomy and Astrophysics (April 2005)
Oberon (moon) (3,577 words) [view diff] no match in snippet view article find links to article
surrounded by an icy mantle. If this is the case, the radius of the core (480 km) is about 63% of the radius of the moon, and its mass is around 54% of the moon's
Radial velocity (521 words) [view diff] no match in snippet view article find links to article
Radial velocity is the velocity of an object in the direction of the radius (i.e. the line of sight between the two objects). In other words, it is
Periodic trends (1,437 words) [view diff] no match in snippet view article find links to article
recurring configurations of these electrons. Main article: Atomic radius The atomic radius is the distance from the atomic nucleus to the outermost stable
Sungrazing comet (2,381 words) [view diff] no match in snippet view article find links to article
approach but a comet with a nucleus radius larger than 2–3 km is likely to survive the perihelion passage with a final radius of ~1 km. Sungrazer comets were
Kepler-32 (306 words) [view diff] no match in snippet view article find links to article
solar mass (M☉), a 0.53 ± 0.04 solar radius (R☉), and temperature of 3900.0 K, making it half the mass and radius of the Sun, two-thirds its temperature
RG-41 (97 words) [view diff] no match in snippet view article find links to article
could be thrown about 30 to 50 meters; the lethal radius was up to 5 meters; the maximum lethal radius was up to 15 meters. http://army.armor.kiev.ua/hist/rg-41
Effective temperature (1,408 words) [view diff] no match in snippet view article find links to article
luminosity of a star is then , where is the stellar radius. The definition of the stellar radius is obviously not straightforward. More rigorously the
Bondi accretion (161 words) [view diff] no match in snippet view article find links to article
velocity is lower than the sound speed, and the radius provides an effective area. The effective radius is acquired by equating the object's escape velocity
D Carinae (94 words) [view diff] no match in snippet view article find links to article
approximately 542 light years from Earth. This star has a radius of nearly four times the radius of the Sun. Fitzpatrick, E. L.; Massa, D. (March 2005)
Agrotis puta (73 words) [view diff] no match in snippet view article find links to article
Hübner, 1824 Euxoa renitens (Hübner, 1824) Noctua puta Hübner, [1803] Bombyx radius Haworth, 1803 Euxoa rotroui Rothschild, 1920 Noctua lignosa Godart, 1825
Spin states (d electrons) (1,054 words) [view diff] no match in snippet view article find links to article
ionic radius. d4 Octahedral high-spin: 4 unpaired electrons, paramagnetic, substitutionally labile. Includes Cr2+ ionic radius 80 pm, Mn3+ ionic radius 64
Gamma Ophiuchi (236 words) [view diff] no match in snippet view article find links to article
It has nearly three times the mass of the Sun and 1.8 times the Sun's radius. The star shines with 29 times the luminosity of the Sun, which is being
Cygnus X-1 (6,115 words) [view diff] no match in snippet view article find links to article
of normal star or other likely object besides a black hole. If so, the radius of its event horizon is about 44 km. Cygnus X-1 belongs to a high-mass X-ray
Planck mass (811 words) [view diff] no match in snippet view article find links to article
greater met, they could spontaneously form a black hole whose Schwarzschild radius equals their Compton wavelength.[citation needed] Once such a hole formed
Figure of the Earth (2,096 words) [view diff] no match in snippet view article find links to article
radius of curvature, which is simply the radius of the sphere. More complex surfaces have radii of curvature that vary over the surface. The radius of
Colles' fracture (808 words) [view diff] no match in snippet view article find links to article
See also: Distal radius fracture A Colles' fracture, also raikar's fracture, is a fracture of the distal radius in the forearm with dorsal (posterior)
Grunsky's theorem (545 words) [view diff] no match in snippet view article find links to article
domain for r ≤ tanh π/4. The largest r for which this is true is called the radius of starlikeness of the function. Let f be a univalent holomorphic function
Görtler vortices (193 words) [view diff] no match in snippet view article find links to article
flow along a concave wall. If the boundary layer is thin compared to the radius of curvature of the wall, the pressure remains constant across the boundary
Schwarzschild metric (3,076 words) [view diff] no match in snippet view article find links to article
Schwarzschild radius, often called the radius of a black hole. Any non-rotating and non-charged mass that is smaller than its Schwarzschild radius forms a black
Kappa Cancri (169 words) [view diff] no match in snippet view article find links to article
the Sun's radius, and an effective temperature of 13,200 K. The secondary is a smaller star with 2.1 times the mass and 2.4 times the radius of the Sun
Dodecagon (582 words) [view diff] no match in snippet view article find links to article
dodecagon with side a is given by: Or, if R is the radius of the circumscribed circle, And, if r is the radius of the inscribed circle, A simple formula for
Elbow (3,368 words) [view diff] no match in snippet view article find links to article
is the synovial hinge joint between the humerus in the upper arm and the radius and ulna in the forearm which allows the hand to be moved towards and away
Wrist (1,467 words) [view diff] no match in snippet view article find links to article
the hand; (2) the wrist joint or radiocarpal joint, the joint between the radius and the carpus; and (3) the anatomical region surrounding the carpus including
Supinator muscle (664 words) [view diff] no match in snippet view article find links to article
posterior compartment of the forearm, curved around the upper third of the radius. Its function is to supinate the forearm. Supinator consists of two planes
Theta Scorpii (565 words) [view diff] no match in snippet view article find links to article
rapidly, giving it an oblate shape with an equatorial radius 19% larger than the polar radius. It has a magnitude 5.36 companion at an angular separation