It is not a true shower at all, but is rather a region of sky in which a number of variably, if weakly, active minor showers have their radiants.
英
美
释义
严格来说它不是一个真正的流星雨,但是它在天空里相当一个区域辐射出不确定的流星数,如果活动微弱,小流星群将有他们的辐射。
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