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单词 ursids
释义

Ursids


Ursids

(ˈɜːsɪdz) pl n (Astronomy) a shower of meteors apparently originating from near the constellation Ursa Minor and lasting for about a week from December 17th to the 25th

Ursids


Ursids

(er -sidz) A minor meteor shower, radiant: RA 217°, dec +78°, maximizing on Dec. 22. The meteoroid stream is associated with comet Tuttle.

ursids

[′ər·sədz] (astronomy) A shower of meteors occurring about December 22 from a radiant in the constellation Ursa Minor.
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更新时间:2025/1/11 18:56:53