双子座(Geminid)在天空中的位置..
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Geminid meteor shower 双子座流星雨
Geminid Meteors 双子星座流星雨
N a member of a shower of meteors (the Geminids) occurring annually around December 13 双子座流星
Geminid meteors are fairly easy to spot because they travel at about 35.41 km per second, which is relatively mild compared to other forms.
双子座流星雨相较于其它流星雨来说，速度较慢，为中速，约每秒35.41公里，肉眼容易观测。
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