Hubble's law

noun Astronomy.

the law that the velocity of recession of distant galaxies from our own is proportional to their distance from us.

Origin of Hubble's law

1930–35; named after E. P. Hubble, discoverer of the relationship Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for hubble's law

Hubble's law


astronomy a law stating that the velocity of recession of a galaxy is proportional to its distance from the observer
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

hubble's law in Science

Hubble's law


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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