This weekend an ice cube from beyond our solar system will make its closest approach to the sun, trailing mystery and dust.
Source link : https://www.nytimes.com/2019/12/07/science/interstellar-comet-2i-borisov.html?emc=rss&partner=rss
Author : Dennis Overbye
Publish date : 2019-12-08 19:51:58
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