Hubble's law
- the law that the velocity of recession of distant galaxies from our own is proportional to their distance from us.
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Origin of Hubble's law
1930–35; named after E. P. Hubble, discoverer of the relationship
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Hubble's law
- astronomy a law stating that the velocity of recession of a galaxy is proportional to its distance from the observer
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Hubble's law
[hŭb′əlz]
- A law of cosmology stating that the rate at which astronomical objects in the universe move apart from each other is proportional to their distance from each other. Current estimates of the value of this proportion, known as Hubble's constant, put its value at approximately 71 kilometers per second per megaparsec.
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The American Heritage® Science Dictionary
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