标签： 辐射点

天文·每日一图

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中国念湖上空的双子座流星雨

2023年12月17日 Geminids over China’s Nianhu Lake Image Credit & Copyright: Hongyang Luo Explanation: Where are all of these meteors coming from? In terms of direction on the sky, the pointed answer is the constellation of Gemini. That is why the major meteor shower in December is known as the Geminids — because shower meteors all appear to come...

天文·每日一图

 由 

英仙座流星雨

2021年8月15日 Perseid Rain Image Credit & Copyright: Luo Hongyang Explanation: Comet dust rained down on planet Earth last week, streaking through dark skies in the annual Perseid meteor shower. The featured picture is a composite of many images taken from the same location over the peak night of the Perseids. The umbrella was not needed as a shield from m...