In 2004, a collision between two massive asteroids in the Fomalhaut star system may have produced a large dust cloud and an “exoplanet” that disappeared a decade later. In PNAS: http://ow.ly/jU7s50zktyi pic.twitter.com/4hCN6H000m
![](https://bac-lac.wayback.archive-it.org/web/20200424190042im_/https://pbs.twimg.com/media/EWN20vVXsAATrvd.jpg)
8:01 AM - 22 Apr 2020
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