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science
solar system
| Term | Definition |
|---|---|
| Asteriod | A mostly rocky object that orbits the sun. |
| Astronomical Unit[AU] | A unit of measure that equal the average distance of the earth from the sun. |
| Comet | an object made of ice and dust that orbits the sun. |
| Heliosphere | the crust of the sun. |
| Kuiper Belt | An area in our solar system reaching to about 15 billion km. |
| meteor | A piece of rock or metal falling through |