Hubble law

Hubble law
states that the velocity at which a distant object is receding from the Earth (as measured by its redshift) is proportional to its distance; observational evidence for an expanding universe
See Also: Hubble constant

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  • Hubble law — noun (astronomy) the generalization that the speed of recession of distant galaxies (the red shift) is proportional to their distance from the observer • Syn: ↑Hubble s law • Topics: ↑astronomy, ↑uranology • Hypernyms: ↑ …   Useful english dictionary

  • Hubble's law — Physical cosmology Universe · Big Bang …   Wikipedia

  • Hubble's constant — Astron. the ratio of the recessional velocity of galaxies to their distance from the sun, with current measurements of its value ranging from 50 to 100 km/sec per megaparsec. [1950 55; after E. P. HUBBLE] * * * Constant used to relate the… …   Universalium

  • law of nature — noun a generalization that describes recurring facts or events in nature (Freq. 3) the laws of thermodynamics • Syn: ↑law • Hypernyms: ↑concept, ↑conception, ↑construct • …   Useful english dictionary

  • Hubble's law — noun (astronomy) the generalization that the speed of recession of distant galaxies (the red shift) is proportional to their distance from the observer • Syn: ↑Hubble law • Topics: ↑astronomy, ↑uranology • Hypernyms: ↑ …   Useful english dictionary

  • Hubble's law — noun alternative spelling of Hubble law …   Wiktionary

  • Hubble — noun a) derived from the Norman French given name Hubald. b) The astronomer . See Also: Hubble constant, Hubble law …   Wiktionary

  • Hubble constant — noun a number the expresses the rate of expansion of the universe; the velocity at which a distant object is receding from the Earth divided by its distance; its reciprocal gives the age of the universe …   Wiktionary

  • Hubble — may refer to:* Edwin Hubble, an American astronomer * Hubble s law, a statement in physical cosmology * Hubble Space Telescope, named after Edwin Hubble * Hubble sequence, a classification of galaxy types * 2069 Hubble, an asteroid * Hubble… …   Wikipedia

  • Hubble's law — n. the law, formulated by Edwin Hubble, that the velocities of distant galaxies moving away from the earth are directly proportional to their distance from the earth: cf. REDSHIFT …   English World dictionary

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