I terraformed mars!
5:42
goofing around in universe sandbox part 1
3:10
What If Earth Hit Earth? - Universe Sandbox 2
6:15
making a brown dwarf system
5:32
I recreated SpaceEngine systems in Universe Sandbox
15:02
Terraforming Venus and Mars in Universe Sandbox!
17:56
Universe sandbox!
6:40
Astronomy What If: Jupiter takes over the Solar System
7:53