Rside-science-Peter

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Across
  1. 2. a region of complete shadow resulting from total obstruction of light
  2. 5. the Earth move around the Sun
  3. 9. seven stars in the sky, like a spoon
  4. 10. a large thing come from the sky
  5. 13. a fringe region of partial shadow around an umbra
  6. 15. sun is the middle
  7. 17. the phases of the moon
  8. 20. To avoid meteorites
Down
  1. 1. you can see all the moon
  2. 3. a half moon
  3. 4. somebody said sun is moving around Earth
  4. 6. a great astronomer from ancient Greek
  5. 7. something in the sky
  6. 8. sometime the Earth moves between the Moon and The Sun
  7. 11. sometime the Moon moves between the Earth and the Sun
  8. 12. something from the sky, have a littler tail and move fast
  9. 14. A constellation which looks like a bear
  10. 16. a great Germany astronomer
  11. 18. people who want to discover the universe
  12. 19. the two point that Earth is the furthest from the Sun