Across
- 2. A meteor that has landed on Earth
- 3. A glowing mass of hot energy that gives of a lot of light
- 4. A big collection of many solar systems
- 5. A star that gives a lot of light
- 7. A machine that orbits planets
- 9. A celestial object consisting of certain matter and energy
- 10. A large body of rock that orbits a planet
- 11. When something moves around something else consistently
- 12. A unit of astronomical distance
Down
- 1. When planets orbit around a star
- 3. A dark patch on the surface of a sun
- 6. A celestial body that has a motion of its own
- 8. A small rock that orbits the sun
- 10. A rock from space that enters the Earth’s atmosphere