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science
solar system
| Term | Definition |
|---|---|
| Mass | A body of cohert matter. |
| Weight | The amount or quantity of heaviness or mass. |
| Solar System | The sun together with all the planets and other bodiesthat revolve around it. |
| Nebula | A cloud of instellar gas and dust. |
| Solar Nebula | The rotating flattened cloud of gas and dust from which the sun and the rest of thebodies in the solar system formed. |
| Plantesimal | Any of numerous small celestial bodies that may have existed at the early stage of the development of the solar system. |
| Crust | The exterior portion of the earth. |
| Mantle | The layer on earth between the crust and the core. |
| Core | The middle of the earth. |