| 单词 | hubble's law |
| 释义 | Hubble's lawnoun 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 lawFirst recorded in 1930–35; named after E. P. Hubble, discoverer of the relationship Words nearby Hubble's lawHubble classification, Hubble classification system, Hubble constant, Hubble, Edwin, Hubble's constant, Hubble's law, Hubble Space Telescope, Hubble telescope, hubbly, hubbub, hubby Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for Hubble's lawHubble's law nounastronomy 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 Scientific definitions for Hubble's lawHubble'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. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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