peculiar velocity
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Peculiar velocity — In physical cosmology, the term peculiar velocity refers to the components of a receding galaxy s velocity that cannot be explained by Hubble s law.According to Hubble, and as verified by many astronomers, a galaxy is receding from us at a speed… … Wikipedia
Peculiar star — In astrophysics, peculiar stars have distinctly unusual metal abundances, at least in their surface layers. Chemically peculiar stars (CP stars) are common among hot main sequence (hydrogen burning) stars. These hot peculiar stars have been… … Wikipedia
peculiar motion — noun : the actual motion of a star after its observed proper motion and radial velocity are corrected for the effect of the sun s motion * * * peculiar motion see ↑proper motion under ↑proper • • • Main Entry: ↑peculiar … Useful english dictionary
Atlas of Peculiar Galaxies — The Atlas of Peculiar Galaxies is a catalog of peculiar galaxies produced by Halton Arp. A total of 338 galaxies are presented in the atlas, which was originally published in 1966 by the California Institute of Technology.The primary goal of the… … Wikipedia
escape velocity — es*cape vel*o ci*ty, n. (Physics) The minimum velocity at which an object must be moving in order for it to overcome the gravitational attraction of a massive celestial body, such as the earth or the sun, and escape beyond its gravitational field … The Collaborative International Dictionary of English
cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… … Universalium
Comoving distance — Physical cosmology Universe · Big Bang … Wikipedia
Dark flow — Physical cosmology Universe · Big Bang … Wikipedia
Gliese 1 — GJ 1 Observation data Epoch J2000 Equinox J2000 Constellation Sculptor Right ascension 00h 05m 24.4279s[1] … Wikipedia
Big Bang — This article is about the cosmological model. For the sitcom, see The Big Bang Theory. For other uses, see Big Bang (disambiguation) … Wikipedia
