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science
solar system
| Term | Definition |
|---|---|
| mass | the weight of an object |
| WEIGHT | the amount or quantity of heaviness or mas; amount that of something weighs |
| SOLAR SYSTEM | the sun together with all the planets and othe r boddies that |
| NEBULA | a. A diffuse mass of interstellar dust or gas or both, visible as luminous patches or areas of darkness depending on the way the mass absorbs or reflects incident radiation. |
| SOLAR NEBULA | A hypothesis concerning the origin of the solar system according to which a rotating nebula cooled and contracted, throwing off rings of matter that contracted into the planets and their moons, while the great mass of the condensing nebula became the su |
| CRUST | outerlayer of the earth |
| MANTLE | between the crust and outer core |
| CORE | is the middle part is the earth's layer |