【自然冷知識】2017流星雨時間表

自然與科學

4月有得睇流星啦!

流星嘅出現,通常係單個而零星,出現嘅時間同方向亦無規律,呢種流星會稱為「偶發流星」。而流星雨嘅出現,係由於流星群嘅軌道較為固定,所以地球會周期性地穿越這些流星群,形成固定出現嘅流星雨,例如今年四月嘅「天琴座流星雨」同埋十二月嘅「雙子座流星雨」等等。

想知咩時候有得睇?Mark低時間表啦!

流星群 – 活躍期 – 高峰期
天琴座流星雨 – 16/04 – 25/04 – 22/4
寶瓶座η流星雨 – 19/4 – 28/5 – 6/5
南δ寶瓶座流星雨 – 12/07 – 23/08 – 30/07
英仙座流星雨 – 17/07 – 24/08 – 12/08
獵戶座流星雨 – 02/10 – 07/11 – 21/10
獅子座流星雨 – 06/11 – 30/11 – 18/11
雙子座流星雨 – 04/12 – 17/12 – 14/12



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