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Typically, asteroids are silicates (rocks) and water (in the form of ice), which is pretty much the same stuff that comets are made of, except that the big, beautiful comets are mostly water, and the asteroids are mostly rock. Asteroids may also have some metals and someday these may be commercially valuable.
What else can I help you with?
Is mars mostly made of gas or mostly made of rock?
Mars is mostly made of rock. It has a thin atmosphere composed mostly of carbon dioxide, but the majority of its mass is solid material, consisting of silicate rocks and metals.
Is jupter mostly made of rock?
No. Jupiter is mostly made of hydrogen and helium.
Is Uranus mostly made of gas?
No, mostly CH4
Is Neptune made of mostly rock or gas?
Neptune is mostly made of gas. Also, Neptune has rings and clouds. BY: jill the queen of awesome
Air is made up of mostly which gas?
Which gas is air mostly made up from
Is mars made of mostly gases and rock?
No Mars is a planet made completely made out of rock.One way to prove this is because it is on the inside of the Astriod Belt.
What is it called when a huge ball hit the earth?
either a metor or astriod
What is Mexico mostly made of?
Mexico is mostly made of desserts.
Cell protoplasm is made up mostly of what?
theprotoplasm of a cell is mostly made up of water.
What substances is Jupiter mostly made of?
Jupiter mostly made of hydrogen
Is Saturn mostly made out of rock?
No. Saturn is mostly made of gas.
Is the universe mostly made of galaxies or space?
it is mostly made of space
Is made mostly of rock?
No. Jupiter is mostly made of hydrogen and helium.
Is the world mostly made of gay people?
No, it is mostly made of rock.
Is earth made of mostly rocks or gas?
The earth is made of mostly rock because the crust is rock and the inside such as the core is molten rock such as lava.
Is mars mostly made of gas or mostly made of rock?
Mars is mostly made of rock. It has a thin atmosphere composed mostly of carbon dioxide, but the majority of its mass is solid material, consisting of silicate rocks and metals.
What were the Athens made up of mostly?
It was mostly made up of Greek people...
