# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2019-05-28 15:55:37 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/1133401446433656835) In reply to: [@LaurieDecatur](http://twitter.com/LaurieDecatur/status/1133332389525151746) @LaurieDecatur @ethan_ring @reblavoie @katriord Yes. Physics in space is the same on Earth. How objects can travel is different, obviously, but that wasn't my point. The conservation of momentum is the same no matter where you are. So any organic material travelling in the way you describe would be pulverised.