The inner planets are mostly made of iron and rock.
There is a rather large asteroid belt between Mars (the last inner planet) and Jupiter (the closest outer planet.) Mostly, however, the terminology refers to the vast difference in orbit radius between the inner and outer planets.
The inner planets are small rocky bodies, whereas the outer planets are gas giants, large balls of gas with ring systems and a large quantity of Moons.
Ceres is classified as a dwarf planet. Ceres is a large asteroid, part of the asteroid belt between Mars and Jupiter. If it was a planet, it would be classified as an inner.
An inner planet is mostly made of iron and has more mass than outer planets, outer planets are mostly made of gasses, makeing them have less mass. The inner planets are the planets between the asteroid belt and the sun
inner planet.
Mars is an inner planet.
It is an inner planet.
inner planet
Inner.
Mars is an inner planet, located between Earth and the asteroid belt. The inner planets are rocky and terrestrial, while the outer planets are gas giants.
Mars is considered an INNER planet. It is the 4th of the 8 major planets in distance from the Sun, and is closer to the Sun than the Main Belt of asteroids. All 4 inner planets are terrestrial (smaller, rocky planets) while the outer planets are gas giants.*The inner planets are Mercury, Venus, Earth, and Mars*The outer planets are Jupiter, Saturn, Uranus, and Neptune.Planets past Neptune include all but one of the Dwarf planets, including Pluto, and a large number of smaller icy bodies in the Kuiper Belt.