so, there is a system called BD+20 307, and it is located about 300 light-years away. these stars are old, about a billion years old!but, there is still hot gas around it!

https://imgur.com/gallery/0aiwWyh/comment/1485076157

which means that the hot gas was caused by two planets slamming into each other!

https://giphy.com/explore/planets-collide

this collision was, in one theory, how the moon formed!

https://www.pinterest.ca/pin/511651207661230393/

and… I guess that is all Ethan wrote! bye!

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