Across
- 5. the point in time when Earth's axis is pointed the most directly at or away from the sun
- 6. a device used to see something far away
- 8. small celestial bodies made mostly of rock
- 10. is considered the oldest science
- 12. the zone beyond the orbit of Neptune
Down
- 1. groups of stars that form a pattern
- 2. a lander that can move
- 3. the force exerted by objects on one another
- 4. large chunks of ice and dirt
- 7. the curved path a celestial object travels around another celestial object
- 9. the field of science that investigates the rules of the natural world
- 11. International Space Station