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单词 Alphecca
释义

Alphecca

noun

Al·​phec·​ca al-ˈfe-kə How to pronounce Alphecca (audio)
astronomy
: a white binary star of the second magnitude that is the brightest star in the constellation Corona Borealis
The brightest star in Corona Borealis is Alphecca, a hot bluish-white star about 75 light-years away—about 435 trillion miles. The light we see from Alphecca tonight left that star in 1936, when FDR was president. Mike Lynch, St. Paul (Minnesota) Pioneer Press, 4 June 2011

called also Alpha Coronae Borealis

Word History

First Known Use

1812, in the meaning defined above

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更新时间:2024/12/23 10:23:53