maple classic™ 
are there online space exploration games where multiple friends can share the same ship and there's no combat
@squirrel Multicrew in Elite: Dangerous sounds like what you're after. Yeah, there is combat in Elite, but once you fly out of the human inhabited bubble, you don't really encounter any other ships and can just go for an explore. :)
@pixelguff already refunded elite dangerous, it was a pretty horrible experience
@squirrel It certainly can be at times!