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Definition of Hubble's Constant in English :

Define Hubble's Constant in English

Hubble's Constant meaning in English

Meaning of Hubble's Constant in English

Pronunciation of Hubble's Constant in English

Hubble's Constant pronunciation in English

Pronounce Hubble's Constant in English

Hubble's Constant

see synonyms of hubble's constant

Noun

1. hubble constant, hubble parameter, hubble's constant, hubble's parameter

(cosmology) the ratio of the speed of recession of a galaxy (due to the expansion of the universe) to its distance from the observer; the Hubble constant is not actually a constant, but is regarded as measuring the expansion rate today

WordNet Lexical Database for English. Princeton University. 2010.

Hubble's Constant

see synonyms of hubble's constant
n.
A ratio used in Hubble's law to express the rate of apparent expansion of the universe, equal to the velocity at which a typical galaxy is receding from Earth divided by its distance from Earth, approximately 71 kilometers per second per megaparsec.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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