Across
- 3. The Earth does this around the Sun
- 8. The moon covers up the sun
- 11. Largest planet in the solar system
- 12. A large system of stars
- 13. When less than half the moon is visible
- 15. Has so much gravity light cannot escape
- 16. Round object that orbits a planet
Down
- 1. Where asteroids & dwarf planets like Pluto live
- 2. Space rock that burns up in the atmosphere
- 4. The distance light travels in a year
- 5. Space rock that lands on earth
- 6. A group of stars that makes a picture (like Orion)
- 7. Orbits a star, is round under its own gravity, and clears its orbit
- 9. The line that a planet spins around
- 10. Burning objects in space
- 12. When more than half the moon is visible
- 14. A cloud of space dust and gas