there are 9 planets
They have solid surfaces composed of rock.
Terrestrial planets.
The first 4 planets, Mercury, Venus, Earth, and Mars, are called rock planets, and the last 4, Jupiter, Saturn, Uranus, and Neptune, are the gas planets. The main differences between these two groups are that the rock planets are made of rock, the gas planets are made of gas, the rock planets are typically smaller than the gas planets, and the gas planets have rings.
Terrestrial Planets.
the found different rock on the planets
these planets are small rock solid planets.
No, they are not, they are both rock planets.
No. Terrestrial planets are planets that are made of rock.
sedimentary rock
Planets do not have planets of their own. If a large rock is orbiting a planet, it is called a moon.
yes