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单词 Baily's beads
释义

Definition of Baily's beads in English:

Baily's beads

proper nounˈbeɪlɪzbiːdz
Astronomy
  • A string of bright points seen at the edge of the darkened moon at the beginning or end of totality in an eclipse of the sun, caused by the unevenness of the lunar topography.

Origin

Mid 19th century: named after Francis Baily (1774–1844), English astronomer.

 
 
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更新时间:2024/9/20 12:02:29