Mark Popinchalk
@MarkPopinchalk
Astrophysics Postdoc @AMNH | writer @astrobites | planetarium presenter | science communicator | likes all kinds of games. He/Him
ID:738749636081487872
03-06-2016 15:10:13
3,3K Tweets
996 Followers
468 Following
@MarkPopinchalk
Astrophysics Postdoc @AMNH | writer @astrobites | planetarium presenter | science communicator | likes all kinds of games. He/Him
ID:738749636081487872
03-06-2016 15:10:13
3,3K Tweets
996 Followers
468 Following