Science Crossword 07/08/19

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Across
  1. 1. A small ball of plasma
  2. 5. Sometimes referred to as "Dirty Snowballs"
  3. 9. When planets go around the sun
  4. 10. People who go out into space to collect data
  5. 12. The oval shape in which planets travel
  6. 14. The darkest part of a shadow of an eclipse
  7. 16. The model that shows Earth in the middle of the universe
  8. 20. When the moon is visible
Down
  1. 2. When planets spin around
  2. 3. What people use to get to space
  3. 4. A picture made of stars
  4. 6. The imaginary line in which planets rotate
  5. 7. the first planet in our solar system
  6. 8. Something that is in the orbit of a planet, the sun or moon.
  7. 11. The brightest star in our solar system
  8. 13. The fifth zodiac sign
  9. 15. The last planet in our solar system
  10. 17. The third planet in our solar system
  11. 18. A ball that orbits around the Earth
  12. 19. When the sun if visible