solid; you can step on them.
terrestrial planets
Terrestrial Planets, or Rocky Planets
Terrestrial Planets, and Rocky Planets
There are a lot of differences between the inner and outer planets. First of all, they inner planets are also known as the "Rocky planets". THey are rocky, hence their name "Rocky planets". And the outer planets are also known as "Gas Giants." THey are mainly composed of gas, hence their name, "Gas Giants." Another difference is their mass. The outer planets have greater mass than the inner planets. In other words, they are heavier.The inner planets follow orbital paths which, like those of the outer planets,are centered on the sun. But the inner planets, without exception, are nearerto the sun than any of the outer planets are.
inner planets
Terrestrial Planets, or Rocky Planets.
Another name for the terrestrial planets is the inner planets. There are four terrestrial planets: Mercury, Venus, Earth and Mars.
The "inner" planets are Mercury, Venus, Earth and Mars. The "outer" planets are Jupiter, Saturn, Uranus and Neptune.
The asteroid belt orbits between the rocky planets and the gas giants.
The Inner Planets: Mercury, Venus, Earth and Mars
The inner planets are called, "Terran" planets after the Latin name for Earth: 'Terra'. The outer planets are called, "Jovian" planets after the name Jupiter. Jupiter??? Yeah, the Greek God Jupiter was called, "Jove" in Latin, hence 'Jovian'.
The inner planets are all rocky planets, whereas the outer planets are gas giants. Pluto is the exception. The outer planets also make 99% of our planets and are outside the asteroid belt.