Across
- 2. One rotation around earth's axis
- 6. Hot ball of burning gas
- 7. Change in average temperature and weather
- 9. Astronomer who plotted the motions of the planets
- 10. One orbit of earth around the sun
- 11. Contains everything that ever was or will be
- 13. A planets path around the sun
- 14. Energy radiated from the sun
Down
- 1. invisible point in space that two objects orbit
- 3. what a planet SPINS around
- 4. Small body of ice and gas that leaves tails
- 5. small body of rock with a strange orbit
- 8. Foundational building block of the universe
- 12. Our home planet