Inner or Terrestrial Planets
1. Mercury, Venus, Earth, Mars.
2. They are comparatively smaller in size.
3. They are composed of rocks. The surface of the inner planets has mountains, volcanoes and craters.
4. None of the inner planets have rings orbiting them
Outer Planets or Jovian Planets , or Gaseous Giants
1. Jupiter, Saturn, Uranus, Neptune.
2. They are huge in size.
3. Most of them are made of gas.
4. All of the outer plants have rings orbiting them.
