All the inner planets are terrestrial planets.
No. Not all planets have gasses. (Mercury doesn't!)
All except the inner two.
No. All planets are spherical.
Yes, all 8 planets along with planetesimals like Pluto revolve around and axis.
gravtiy
Gideon rises
pixie lott.
gravtiy
gravtiy
free fall
All planets have a core.
No not all the planets have craters on.
Yes all planets have a orbit
Meteorites crashed into all of the planets.
what other forces besids gravity do trampolines used
No. Planets orbit suns, while moons orbit planets. Planets do not orbit planets.