Starting with the current Alpha (0.3.0) some of the planetary screens are not visible. See screenshots below:
Planet surface missing:
http://steamcommunity.com/sharedfiles/filedetails/?id=275894267
Earth surface missing:
http://steamcommunity.com/sharedfiles/filedetails/?id=275894317
Mars' surface is there though:
http://steamcommunity.com/sharedfiles/filedetails/?id=275894317
The thumbnail situation is reversed though:
http://steamcommunity.com/sharedfiles/filedetails/?id=275894406
I saved and restarted and it doesn't go away.