Hubble's law

(redirected from Galactic drift)
Also found in: Thesaurus, Encyclopedia.

Hubble's law

n.
An empirical law of observational cosmology stating that the velocities at which galaxies in the universe recede from one another is directly proportional to the distances between them.

[After Edwin Powell Hubblewho first formulated it.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Hubble's law

n
(Astronomy) astronomy a law stating that the velocity of recession of a galaxy is proportional to its distance from the observer
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Hubble's law - (astronomy) the generalization that the speed of recession of distant galaxies (the red shift) is proportional to their distance from the observer
law of nature, law - a generalization that describes recurring facts or events in nature; "the laws of thermodynamics"
astronomy, uranology - the branch of physics that studies celestial bodies and the universe as a whole
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Now there is evidence for large-scale motions of galaxies, galactic drifts one moght say, that reinforce the notion of large-scale inhomogeneities in the arrangement of the universe.