Question

What, now former, planet is small, icy, and rocky?

Answer 1

pluto

Pluto was different in other ways. The outer planets are all gas giants. Pluto is small, icy, and rocky. Pluto has a diameter of about 2,400 km. It has only about one-fifth the mass of Earths Moon. Plutos orbit is tilted relative to the other planets. It's orbit is shaped like a long, narrow ellipse. Plutos orbit sometimes even passes inside Neptunes orbit.