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.
Mercury is mostly made of rock.
Mercury is a rocky planet.
Rock
gas.
mars is mostly made of rock because it is a rock planet. earth,mercury, and venus are all rock planets
It is mostly rock.
Mercury is mostly rock
Earth is a rocky planet.
The inner or terrestrial planets are mostly rock (sliicates) and metals; Mercury is no exception. It is thought to have a relatively large iron core.
Mercury is a rocky planet.
mars is mostly made of rock because it is a rock planet. earth,mercury, and venus are all rock planets
Mercury is a rocky planet.
Mercury is a planet made of rock and metal.
it is a planet made mostly of rock or metal
Mercury has alot of rocks on is planet because t is made up of rock !
no
It is mostly rock.
Mercury is mostly rock
Yes it is
Earth is a rocky planet.
rock not gas