not entirely
Mercury is a planet made of rock and metal.
The answer is Pluto. Pluto isn't a planet anymore so there is no planet made up of rock and ice.
rock not gas
ice and rock
the moon
It is gas
Mercury has alot of rocks on is planet because t is made up of rock !
Mercury is a rocky planet.It's actually a rock because it is one of the inner planets that are all made of rock.The planet Mercury is a dense, rocky, airless world.
A rock planet is a terrestrial planet primarily composed of silicate rocks and metals. Examples include Earth, Mars, Venus, and Mercury, which have solid surfaces made up of rock material. These planets have high densities and solid, well-defined surfaces.
"CERES" made of exploded planet and made of big "ROCK"
hard as a rock because it is made of rock.
Saturn is not made from rock. Although it has a rocky/metallic core, the planet is mostly made of hydrogen.