Definition for User contributions

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• 23:55, 6 August 2013 (diff | hist) . . (+85)‎ . . N Sagittarius ‎ (Created page with "Sagittarius is a constellation of the zodiac, the one containing the galactic center.") (current)
• 23:55, 6 August 2013 (diff | hist) . . (+223)‎ . . N Milky Way ‎ (Created page with "The Milky Way is the galaxy that contains our Solar System. The Milky Way is a barred spiral galaxy 100,000–120,000 light-years in diameter containing 100–400 billion st...") (current)
• 22:33, 6 August 2013 (diff | hist) . . (+230)‎ . . N Supermassive black hole ‎ (Created page with "A supermassive black hole is the largest type of black hole, on the order of hundreds of thousands to billions of solar masses. Most—and possibly all—galaxies are inferred to...") (current)
• 21:46, 6 August 2013 (diff | hist) . . (+717)‎ . . N Quasi-stellar radio source ‎ (Created page with "Auasi-stellar radio source is a very energetic and distant active galactic nucleus. Quasars are extremely luminous and were first identified as being high redshift sources of ele...") (current)
• 11:49, 6 August 2013 (diff | hist) . . (+280)‎ . . N Lyman alpha line ‎ (Created page with "In physics, the Lyman-alpha line, sometimes written as Ly-alpha line, is a spectral line of hydrogen, or more generally of one-electron ions, in the Lyman series, emitted when th...") (current)
• 11:49, 6 August 2013 (diff | hist) . . (-249)‎ . . Lyman alpha ‎ (Redirected page to Lyman alpha line) (current)
• 11:48, 6 August 2013 (diff | hist) . . (+280)‎ . . N Lyman alpha ‎ (Created page with "In physics, the Lyman-alpha line, sometimes written as Ly-alpha line, is a spectral line of hydrogen, or more generally of one-electron ions, in the Lyman series, emitted when th...")
• 11:47, 6 August 2013 (diff | hist) . . (+126)‎ . . N Supercluster ‎ (Created page with "Superclusters are large groups of smaller galaxy groups and clusters and are among the largest known structures of the cosmos.") (current)
• 00:59, 6 August 2013 (diff | hist) . . (+152)‎ . . N Andromeda ‎ (Created page with "The Andromeda Galaxy is a spiral galaxy approximately 2.5 million light-years (2.4×10¹⁹ km) from Earth in the '''Andromeda constellation'''.") (current)
• 00:58, 6 August 2013 (diff | hist) . . (+80)‎ . . N Centaurus A ‎ (Created page with "Centaurus A or NGC 5128 is a prominent galaxy in the constellation of Centaurus.") (current)
• 00:57, 6 August 2013 (diff | hist) . . (-21)‎ . . Blackbody ‎ (current)
• 00:55, 6 August 2013 (diff | hist) . . (+107)‎ . . N Black hole ‎ (Created page with "A black hole is a region of spacetime from which gravity prevents anything, including light, from escaping.") (current)
• 00:55, 6 August 2013 (diff | hist) . . (+103)‎ . . N Cannibalism ‎ (Created page with "Cannibalism is the act or practice of humans eating the flesh or internal organs of other human beings.") (current)
• 21:17, 5 August 2013 (diff | hist) . . (+441)‎ . . N Redshift ‎ (Created page with "In physics, redshift happens when light or other electromagnetic radiation from an object moving away from the observer is increased in wavelength, or shifted to the red end of t...") (current)
• 21:17, 5 August 2013 (diff | hist) . . (+467)‎ . . N Blackbody ‎ (Created page with "A black body is an idealized physical body that absorbs all incident electromagnetic radiation, regardless of frequency or angle of incidence. A black body in thermal equilibriu...")
• 21:16, 5 August 2013 (diff | hist) . . (+370)‎ . . N Hubble Time ‎ (Created page with "The Hubble time is the amount of time one predicts by projecting back assuming the universe has always been expanding at its current rate. If the universe used to be expanding mu...") (current)
• 21:09, 5 August 2013 (diff | hist) . . (+294)‎ . . N Dark matter ‎ (Created page with "In astronomy and cosmology, dark matter is a type of matter hypothesized to account for a large part of the total mass in the universe. Dark matter cannot be seen directly with t...") (current)
• 21:09, 5 August 2013 (diff | hist) . . (+164)‎ . . N Dark energy ‎ (Created page with "In physical cosmology and astronomy, dark energy is a hypothetical form of energy that permeates all of space and tends to accelerate the expansion of the universe.") (current)
• 01:00, 5 August 2013 (diff | hist) . . (+24)‎ . . N Superforce ‎ (Created page with "A single, unified force.") (current)
• 00:59, 5 August 2013 (diff | hist) . . (+197)‎ . . N Hadron ‎ (Created page with "In particle physics, a '''hadron''' is a composite particle made of quarks held together by the strong force (in the same way as atoms and molecules are held together by the elec...")
• 00:59, 5 August 2013 (diff | hist) . . (+403)‎ . . N Nucleosynthesis ‎ (Created page with "Nucleosynthesis is the process that creates new atomic nuclei from pre-existing nucleons, primarily protons and neutrons. The first nuclei were formed about three minutes after t...") (current)
• 00:58, 5 August 2013 (diff | hist) . . (+374)‎ . . N Planck Era ‎ (Created page with "The Planck Era is prior to 10^-43 s after the Big Bang, when we believe that the four basic forces of nature, 1) gravity, 2) nuclear strong force, 3) nuclear weak force...") (current)
• 00:56, 5 August 2013 (diff | hist) . . (+296)‎ . . N Lepton ‎ (Created page with "A lepton is an elementary, spin-1⁄2 particle that does not undergo strong interactions, but is subject to the Pauli exclusion principle. The best known of all leptons is the el...") (current)
• 00:56, 5 August 2013 (diff | hist) . . (+311)‎ . . N Epoch ‎ (Created page with "In the fields of chronology and periodization, an epoch is an instant in time chosen as the origin of a particular era. The "epoch" then serves as a reference point from which ti...") (current)
• 00:42, 5 August 2013 (diff | hist) . . (+2,254)‎ . . N Antiparticle ‎ (Created page with "Corresponding to most kinds of particles, there is an associated antiparticle with the same mass and opposite charge (including electric charge). For example, the antiparticle of...") (current)
• 00:20, 5 August 2013 (diff | hist) . . (+23)‎ . . N Peptidase ‎ (Redirected page to Protease) (current)
• 15:26, 4 August 2013 (diff | hist) . . (+486)‎ . . N Celiac artery ‎ (Created page with "The celiac (or coeliac) artery, also known as the celiac trunk, or truncus coeliacus, is the first major branch of the abdominal aorta. It is 1.25 cm in length, in a horizontal d...") (current)
• 15:25, 4 August 2013 (diff | hist) . . (+340)‎ . . N Subclavian artery ‎ (Created page with "The subclavian artery is paired major arteries of the upper thorax (chest), below the clavicle (collar bone) in human anatomy. They receive blood from the aortic arch. The left s...") (current)
• 11:38, 3 August 2013 (diff | hist) . . (+197)‎ . . N Thermonuclear ‎ (Created page with "Relating to, or employing transformations in the nuclei of atoms of low atomic weight (as hydrogen) that require a very high temperature for their inception (as in the hydrogen b...") (current)
• 11:37, 3 August 2013 (diff | hist) . . (+187)‎ . . N Hydrostatic equilibrium ‎ (Created page with "Hydrostatic equilibrium means that the inward force of gravity, a product of the star's mass, is exactly balanced by the outward radiation pressure of its thermonuclear r...") (current)
• 11:36, 3 August 2013 (diff | hist) . . (+145)‎ . . N Brown dwarf ‎ (Created page with "Brown dwarfs are substellar objects too low in mass to sustain hydrogen-1 fusion reactions in their cores, unlike main-sequence stars, which can.") (current)
• 11:35, 3 August 2013 (diff | hist) . . (+537)‎ . . N Nuclear fusion ‎ (Created page with "In nuclear physics, nuclear fusion is a nuclear reaction in which two or more atomic nuclei collide at very high speed and join to form a new type of atomic nucleus (e.g. The ene...")
• 11:35, 3 August 2013 (diff | hist) . . (+47)‎ . . N Bipolar ‎ (Created page with "Having or relating to two poles or extremities.") (current)
• 11:34, 3 August 2013 (diff | hist) . . (+239)‎ . . N Helium flash ‎ (Created page with "A helium flash is a runaway condition caused by a core that collapses to a degenerate state before helium fusion can begin. As a result, the core cannot respond to the radiation ...") (current)
• 23:30, 1 August 2013 (diff | hist) . . (+471)‎ . . N Solar cycle ‎ (Created page with "The solar cycle (or solar magnetic activity cycle) is the periodic change in the sun's activity (including changes in the levels of solar radiation and ejection of solar material...") (current)
• 16:27, 1 August 2013 (diff | hist) . . (+10)‎ . . Titan ‎ (current)
• 16:26, 1 August 2013 (diff | hist) . . (+104)‎ . . N Orbital period ‎ (Created page with "The orbital period is the time taken for a given object to make one complete orbit about another object.") (current)
• 16:26, 1 August 2013 (diff | hist) . . (+280)‎ . . N Mimas ‎ (Created page with "Mimas is a moon of Saturn which was discovered in 1789 by William Herschel. With a diameter of 396 kilometres (246 mi) it is the twentieth-largest moon in the Solar System a...") (current)
• 12:50, 1 August 2013 (diff | hist) . . (+357)‎ . . N Triton ‎ (Created page with "Triton is the largest moon of the planet Neptune, discovered on October 10, 1846, by English astronomer William Lassell. It is the only large moon in the Solar System with a retr...") (current)
• 21:38, 31 July 2013 (diff | hist) . . (+372)‎ . . N Neptune ‎ (Created page with "Neptune is the eighth and farthest planet from the Sun in the Solar System. It is the fourth-largest planet by diameter and the third-largest by mass. Among the gaseous planets i...") (current)
• 21:36, 31 July 2013 (diff | hist) . . (+278)‎ . . N Uranus ‎ (Created page with "Uranus is the seventh planet from the Sun. It has the third-largest planetary radius and fourth-largest planetary mass in the Solar System. Uranus is similar in composition to Ne...") (current)
• 21:36, 31 July 2013 (diff | hist) . . (+775)‎ . . N Kuiper belt ‎ (Created page with "The Kuiper belt is a region of the Solar System beyond the planets, extending from the orbit of Neptune (at 30 AU) to approximately 50 AU from the Sun. It is similar to the aster...") (current)
• 21:35, 31 July 2013 (diff | hist) . . (+403)‎ . . N Pluto ‎ (Created page with "Pluto, formal designation '''134340 Pluto''', is the second-most-massive known dwarf planet in the Solar System (after Eris) and the tenth-most-massive body observed directly orb...") (current)
• 21:34, 31 July 2013 (diff | hist) . . (+25)‎ . . N Oort Cloud ‎ (Redirected page to Oort cloud) (current)
• 21:28, 31 July 2013 (diff | hist) . . (+114)‎ . . N Trojan asteroid ‎ (Created page with "Asteroids found sharing the orbit of Jupiter but 60 degrees ahead of or behind it at the L4 or L5 Lagrange points.") (current)
• 13:00, 31 July 2013 (diff | hist) . . (+105)‎ . . N Oblateness ‎ (Created page with "Oblateness is the degree to which the planet's rotation causes its equator to bulge and poles to flatten.") (current)
• 21:52, 28 July 2013 (diff | hist) . . (+526)‎ . . N Zeeman effect ‎ (Created page with "The Zeeman effect, named after the Dutch physicist Pieter Zeeman, is the effect of splitting a spectral line into several components in the presence of a static magnetic field. I...") (current)
• 19:01, 25 June 2013 (diff | hist) . . (+546)‎ . . N Tryptone ‎ (Created page with "This pancreatic digest of casein is utillized as a source of nitrogen in many culture media for growing bacteria as well as fungi. The lack of detectable carbohydrates makes this...") (current)
• 17:36, 20 June 2013 (diff | hist) . . (+4)‎ . . Heart ‎ (current)
• 21:02, 16 June 2013 (diff | hist) . . (-5)‎ . . Antibiosis ‎ (current)

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