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Planets
Wehlander
| Vocabulary Word | Definition |
|---|---|
| star | Burning sphere of gases |
| comet | Small mass of ice and dust that orbits the sun |
| telescope | Instrument used to observe a distant object |
| axis | Imaginary line that Earth rotates around |
| gas giants | Large spheres made mostly of gases |
| satellite | An object that moves around another |
| planet | Large object that moves around a star |
| outer planets | Jupiter, Saturn, Uranus, Neptune & Pluto |
| solar system | Central star and the objects that move around it |
| space probe | Vehicle sent to explore space |
| inner planets | Planets between the asteroid belt and the sun |
| orbit | Path an object takes when revolving around another object |
| asteroids | Objects that move between Mars and Jupiter |
| rotation | Spinning movement of Earth |
| phases | Changes in apparent shape of the moon |
| revolution | Movement of Earth around the sun |