They are rocky planets.
Rocky planets
Terrestrial Planets, or Rocky Planets.
the gas planets are bigger than the rocky planets
Earth and Mars, along with Mercury and Venus, are rocky planets.
There are four rocky planets in the solar system: Mercury, Venus, Earth, and Mars.
rocky
they are rocky and have terrain areas the rest of the planets are all gas
There are 5 rocky planets in our solar system if you count Pluto. If not, there are 4 rocky planets in the solar system.
Mercury is a rocky planet. The inner planets (first four planets from the sun) are rocky planets (which means that you could stand on them) and are the smallest. While the outer planets (last four planets from the sun) are gas planets and the biggest.
Rocky planets and gaseous planets.
Mercury is a rocky planet. The inner planets (first four planets from the sun) are rocky planets (which means that you could stand on them) and are the smallest. While the outer planets (last four planets from the sun) are gas planets and the biggest.