Across
- 3. a bright star is the center of the solar system
- 5. when the moon is red
- 7. when the earth rotates around the sun
- 8. a force that pulls things together
- 10. the line of the ocean and the shore
Down
- 1. when the moon is blue
- 2. when the earth spins on its axis
- 4. phases the cycle of the moon
- 6. when the moon is between the earth and the sun
- 9. the only planet people can live on