hubble constant是什么意思_hubble constant的用法

- 哈勃常数
英英释义
Noun:

(cosmology) the ratio of the speed of recession of a galaxy (due to the expansion of the universe) to its distance from the observer; the Hubble constant is not actually a constant, but is regarded as measuring the expansion rate today
近反义词
【近义词】

Hubble parameter 哈勃参数
临近单词

hub Hubac

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