地球雙月連容，原來已經三年了，今年才被發現... 迷你月球的軌跡運行估計於四月份離開地球，繼續自己的流浪之旅，奔向太陽

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地球雙月連容三年  迷你月球緣盡脫離

The Catalina Sky Survey has discovered a small object, designated 2020 CD3, that may have been temporarily captured by Earth's gravity. -- How scientists found Earth's new minimoon and why it won't stay here forever: https://www.space.com/minimoon-2020-cd3-discovery-around-earth-explained.html 

Credit: Space.com / Catalina Sky Survey / NASA/JPL-Caltech / produced & edited by [Steve Spaleta](http://www.twitter.com/stevespaleta)

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