Really cool game. I believe the problems already mentioned by others are details that can be easily dealt with with more time and polish. Looks like a cool concept to get expanded on.

Great balance between on planet, in space, mining, and resource management. It is the start of what could be an expansive environment. Very much enjoyed playing.

Really really great work and nice game. *applause* ... I especially like the fact that you stick to physics and keep it quiet with no sounds xD... just kidding, I have no sounds either in my submission so I'm not allowed to criticize ;P ... it get's a little bit tedious after around 50% and some visualisation would be nice to see also in space which planet I've already been on or where ressources are to be collected. But I'm sure you would have added that if you had had more time :) so keep it going (y)