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| Question | Answer |
|---|---|
| Milky way Galaxy | Is the galaxy in which we live. It is a spiral shaped galaxy that contains about 200billion stars,including our sun. |
| asteroid | An asteroid is a large rock in outer space. Some can be very large,while others are small as a grain of sand. |
| Comet | A small frozen mass of ice and dust orbiting the sun. |
| Terrestial | Relating to land. |
| Orbit | To travel in a curved path around the sun or planet. |
| Rotation | One complete turn on an axis. |
| Satellite | A moon that orbits a planet. |
| Sun | A star around which Earth and other planets revolve. It produces heat,light,and energy. |
| Gas Giant | Any of the second four planets from the sun,which are made of gas. |