Space 2 Crossword

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Across
  1. 5. the distance light travels in a year through space
  2. 8. the invisible blanket of gas and air that surrounds earth
  3. 9. the tiniest thing that exists
  4. 11. a loop of fiery gas from the surface of the sun
  5. 15. dark spots that appear on the surface of the sun
  6. 16. an explosion of light and heat from the suns surface
  7. 19. anything that orbits around a planet
  8. 20. a pure substance that only has one type of atoms
  9. 21. a collection or group of stars, planets and space dust
  10. 22. to spin around
  11. 23. any man-made machine that travels to space
  12. 24. to grow bigger
Down
  1. 1. the idea of an explosion that astronomers believe created the universe
  2. 2. someone who travels into space
  3. 3. the distance across the center of a circle
  4. 4. a spacecraft controlled from earth
  5. 6. the galaxy that our planet and solar system are located in
  6. 7. a piece of space rock that lands on earth
  7. 10. a heater used to warm a whole building
  8. 12. a glass used to see in glasses and telescopes
  9. 13. a space rock floating in outer space
  10. 14. a ball of ice and space dust
  11. 17. when something is blurry or hard to see
  12. 18. when the light of the sun is blocked by the moon