| 单词 | expanding universe |
| 释义 | expanding universe in American Englishnoun Astronomy a representation of the universe, based on the observed redshifts of distant galaxies, in which the galaxies are assumed to be receding from each other at a speed proportional to their separation as a result of the expansion of the universe Compare Hubble's constant, cosmological redshift Word origin [1930–35]Examples of 'expanding universe' in a sentence |
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