Across
- 1. June 21 in the northern hemisphere is the summer ______
- 3. earth moving around the sun
- 6. a large collection of dust stars and solar systems
- 8. the only planet with intelligent life
- 10. a small rock in space that has made impact with earth
- 12. the imaginary line that splits the Earth in half
- 14. earth split into half
- 15. a person who studies astronomy
Down
- 2. means equal night
- 4. earth spinning on its axis
- 5. the light an object produces when moving away from earth
- 7. a large rock in space that stays in a belt between mars and Jupiter
- 9. a small rock in space
- 11. the type of galaxy the milky way is
- 13. a ball of dust and ice that has a tail