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单词 expanding universe
释义

expanding universe in American English

noun
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
expanding universe

Einstein's equation predicted our expanding universe and black holes long before there was any proof.
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更新时间:2024/11/15 7:20:57