Across
- 2. the belt that is located beyond the orbit of Neptune.
- 5. when a meteor strikes the surface of a planet or moon.
- 6. studied in relation to the planet they orbit.
- 9. the branch of science which deals with celestial objects, space, and the physical universe as a whole.
- 10. vary in size, shape and have rocky bodies.
Down
- 1. planets that are small, rocky, closer to the sun, and have few or no moons.
- 3. body/head is made out of ammonia, methane, Ice and dust.
- 4. a meteor floating randomly in space.
- 7. chunks of rock that burn up upon entering a planet's atmosphere.
- 8. planets that are made of mainly gas, large, farther from the sun and have many moons.