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Space Vocabulary
5th grade space vocabulary
| Term | Definition |
|---|---|
| Outer Planets | Jupiter, Saturn, Uranus, Neptune |
| Asteroid | Rocky or metallic object that orbits the Sun |
| Rotation | Earth spins on its axis once each day |
| Galaxy | A group of stars, gas, and dust held together by gravity |
| Inner Planets | Mercury, Venus, Earth, Mars |
| Sun | Closest star to Earth |
| Revolution | Earth moves around the Sun once each year |
| Comet | Mixture of frozen ice, gas, dust, and rock with a tail |
| Stars | Large ball of gas that produces light energy |
| Moon | Object that is in orbit around the Earth |