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Space
| Term | Definition |
|---|---|
| milky way galaxy | is the galaxy in which we live.it is a spiral shaped galaxy that contains about 200 billion stars, including our sun. |
| asteroid | an asteroid is a large rock in outor space. some can be very large, while others are as small as a grain of sand |
| comet | a small frozen mass of ice and dust orbiting the sun |
| terrestrial | relating to land |
| orbit | to traval in a curved path around the sun or a planet |
| rotation | one complete turn on its axis |
| satellite | a moon that orbits a planet |
| sun | a star around which earth and other planets revolve.it produccesheat, light, an energy |
| gas giant | any of the second four planets from the sun, which are made of gas. |