Aster/Astro/Stella Root (star)

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Across
  1. 3. a rock in space that looks like a star when leen from earth
  2. 5. a building with a dome to vie the stars(or star athletes)
  3. 8. a person who travels in space
  4. 10. an eroding remnant of a large crater made by a comet
  5. 11. a group of stars that form a picture in the sky
  6. 13. a very large amount;as many as the stars in the sky
  7. 15. a star shaped flower
Down
  1. 1. a science which studies life on earth and in space
  2. 2. arranged in a radiating pattern like that of a star
  3. 4. an ill-starred event
  4. 6. a star shaped mark used in printing
  5. 7. a disaster
  6. 9. the study of stars, planets, and their movements
  7. 12. an instrument used to measure the altitude of celestial objects
  8. 14. occurring or situated between stars