solid; you can step on them.
Another name for inner planets is terrestrial planets. These are the planets that are closer to the Sun and have rocky surfaces.
inner planets
The inner planets are also known as terrestrial planets. This term is used because they have solid rocky surfaces similar to Earth's.
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.
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.
The inner planets are also known as terrestrial planets or rocky planets because they are primarily composed of rock and metal. They are Mercury, Venus, Earth, and Mars.
The asteroid belt orbits between the rocky planets and the gas giants.
The "inner" planets are Mercury, Venus, Earth and Mars. The "outer" planets are Jupiter, Saturn, Uranus and Neptune.
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 (except Earth), and in fact all of the planets besides Earth in our solar system, were named after Greek and Roman gods.
They got their names from their Greek parents, Zeus and Athena.