Short story short, removes all asteroids from space beside the harmless ones. For, you know, easier traversing.
Small changes concerning balance, gameplay, or graphics.
Map generation and terrain modification.
Play it your way.
I highly recommend u to try change big ones into this little or rise their quantity of spawn, coz such people, with your mod, won't be able to harvest enough for space platform to fly or space casino.
Also make it already updated for 2.1