However the rocks will still dominate , like in the outer main belt in the Solar System .
Jump up ^ The planetesimals near the outer edge of the terrestrial planet region -- 2.5 to 4 AU from the Sun -- may accumulate some amount of ice .
The rocks will still dominate , like in the outer main belt in the Solar System .
Jump up ^ The planetesimals near the outer edge of the terrestrial planet region -- 2.5 to 4 AU from the Sun -- may accumulate some amount of ice .