astronomy

123456789
Across
  1. 4. another word for spinning
  2. 5. orbits are not perfectly round, so they are in the shape of an...
  3. 6. moon appears to be getting bigger until the full moon
  4. 7. fusion the process of turning hydrogen into helium
  5. 9. changes in temperature and weather patterns because of the tilt of the earth
Down
  1. 1. a sphere of hydrogen and helium powered by fusion
  2. 2. another word for revolution
  3. 3. changes in the appearance of the moon
  4. 5. when day and night are equal
  5. 8. going around something