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solar system
planets
| Term | Definition |
|---|---|
| mass | a body of coherent matter, usually of indefinite shape and often of considerable size |
| wieght | 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 | (astronomy) The rotating flattened cloud of gas and dust from which the sun and the rest of the bodies in the solar system formed, about Read more: http://www.answers.com/topic/solar-nebula#ixzz2jP3mZyYe |
| planetesimal | one of the small celestial bodies that, according to one theory (planetesimal hypothesis) were fused together to form the planets of the solar system. |
| crust | the very outside of the earth |
| mantle | Geology . the portion of the earth, about 1800 miles (2900 km) thick, between the crust and the core. Compare core1 ( def 10 ) , crust ( def 6 ) . |
| core | the very inside of the earth |
Created by:
alexisreyes
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