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sCIENCE
SOLAR SYSTEM
| Term | Definition |
|---|---|
| Mass | a coherent, typically large body of matter with no definite shape. |
| Weight | a body's relative mass or the quantity of matter contained by it, giving rise to a downward force; the heaviness of a person or thing. |
| Solar system | the collection of eight planets and their moons in orbit around the sun, together with smaller bodies in the form of asteroids, meteoroids, and comets. |
| Nebula | a ring-shaped nebula formed by an expanding shell of gas around an aging star |
| Solar nebula | The rotating flattened cloud of gas and dust from which the sun and the. |
| planetesimal | minute planet; a body that could or did come together with many others under gravitation to form a planet |
| crust | the outer layer of the Earth |
| Mantle | The mantle is a part of a terrestrial planet or other rocky body large enough to have differentiation by density. The interior of the Earth, similar to the other terrestrial planets, is chemically divided into layers. The mantle is a layer between the cru |
| Core | The central portion of the earth below the mantle |