User blog comment:QuebecanCanada/System-making game/@comment-6812733-20141124171009/@comment-25913433-20141124180025

The other one was tiny, the other one was the size of mars, i should've picked the toher one Mars sized too.

Also, i belive you make a moon for a terrestial planet by making two Planets colliding at each toher, one forming a moon, and it was that i was trying to do.