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science
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 | a similar system with celestial bodies revolving around a star other than the sun |
| nebula | any liquid medication prepared for use as a spray. |
| solar nebula | a cloud of gas and dust that made up the solar sytem. |
| planetesimal | one of the small clestial bodies that, according to one theory were fused together to form the planets of the solar system. |
| crust | the brown, hard outer portion or surface of a loaf or slice of bread. |
| mantle | the portion of the earth, about 1800 miles thick, between the crust and the core. |
| core | the central, innermost, or most essential part of anything. |