they move because of space eruptions
Battle of the Planets - 1978 Mission to Inner Space 1-69 was released on: USA: 21 January 1980
none of the inner planets
The inner planets are Mercury, Venus, Earth, and Mars. They are "inner" because the are the first 4 planets from the Sun.
Inner planets
After the inner planets you get the outer planets.
the inner planets are sometimes called Terrestrial Planets
The asteroid belt is between the inner and outer planets, but mostly it is just empty space.
Inner planets are terrestrial planets outer are jovian planets
the inner planets
mercury is by no means the smallest body in space. however, it is the smallest of the inner planets.
I hesitate to admit that I was raised on one of the inner planets. The inner planets are not gaseous, like the outer planets.