Across
- 4. another word for spinning
- 5. orbits are not perfectly round, so they are in the shape of an...
- 6. moon appears to be getting bigger until the full moon
- 7. fusion the process of turning hydrogen into helium
- 9. changes in temperature and weather patterns because of the tilt of the earth
Down
- 1. a sphere of hydrogen and helium powered by fusion
- 2. another word for revolution
- 3. changes in the appearance of the moon
- 5. when day and night are equal
- 8. going around something