Quote Originally Posted by bonsaiguy
The most commonly held theory is that the planets were formed from the debris and gasses left over from the formation of the sun. over time the gas and debris, trapped by the suns gravitational pull, cooled and coalesced in to the planets we see today.
Yes thats what I meant but i was vague, but all the planets werent just there, several of them were made later after the sun formation by two or more asteroids/debris colliding, which planets Im not sure of.

You are almost on track, sort of.