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单词 absolute magnitude
释义

absolute magnitude

noun

: a measure of the intrinsic luminosity of a celestial body (such as a star) expressed as the apparent magnitude the body would have if viewed from a distance of 10 parsecs

Example Sentences

Recent Examples on the Web The really amazing thing about Katy Perry’s 110 million Twitter followers is not its absolute magnitude as much as the fact that the site’s entire monthly active user base is only about three times that size. Felix Salmon, WIRED, 5 June 2018

Word History

First Known Use

1885, in the meaning defined above

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更新时间:2025/2/7 22:27:22