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Solar System
Term | Definition |
---|---|
Mass | a body of coherent matter, usually of indefinite shape and often of considerable size |
Weight | the amount or quantity of heaviness or mass; amount a thing weighs |
Solar System | the sun together with all the planets and other bodies that revolve around it. |
Nebula | a cloud of interstellar gas and dust. |
Solar Nebula | a cloud of interstellar gas and dust Moving Away from the sun. |
Planetesimal | one of the small celestial bodies that, according to one theory were fused together to form the planets of the solar system. |
Crust | Outer Layer Of The Earth |
Mantle | the portion of the earth, about 1800 milesthick, between the crust and the core. Compare core |
Core | The Inside Part Of The Earth. |