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单词 Messier, Charles
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Charles Messier

/ˈmɛsɪə / /mɛsje/
(1730–1817), French astronomer. He discovered a number of nebulae, galaxies, and star clusters, which he designated by M numbers. Almost all of these designations, such as M1 (the Crab Nebula), are still in use today.
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更新时间:2024/11/14 4:06:38