Across
- 2. the movement of one object around another object
- 5. the collection of eight planets and their moons in orbit around the sun together with asteroids, meteorites and comets
- 9. the spinning of an object on an axis
- 12. chunks of rock and metal in outer space that orbit the sun
- 13. the earths natural satellite
Down
- 1. a group of stars forming a recognizable pattern
- 3. less than half the moon is lit
- 4. a smaller celestial body that is made of dust, ice, and small rocky particles
- 6. a medium sized star that is the center of the solar system and provides us with sunlight and heat
- 7. eclipse, the earth blocks the sunlight from reaching the moon
- 8. the lit part of the moon is getting smaller
- 10. more than half of the moon is lit
- 11. the lit part of the moon is getting bigger
