If a planet were discovered between mars and earth, what would its characteristics possibly be?

1 Answer
Apr 18, 2016

Rocky like the Earth and Mars and not at all gaseous.

Explanation:

I come to this conclusion in view of the asteroids orbiting between Mars and Jupiter. They are space-rock-orbiters.

Perhaps, the orbit of the largest rock-orbiter-asteroid Ceres gives a least upper bound, for the orbits of rocky orbiters.