Astronomy Crossword

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Across
  1. 5. Only visible during a solar eclipse
  2. 6. Everything orbits in this shape
  3. 7. The study of space
  4. 8. Between Mars and Jupiter
  5. 10. 3 laws
  6. 11. Occurs in the sun's core
  7. 14. the visible layer of the sun
  8. 17. Pluto
  9. 18. The first day of spring
  10. 20. Law that states the closer you are, the faster you orbit
  11. 21. Gas giants
Down
  1. 1. Distance between the tides
  2. 2. Universe started 13.8 billion years ago
  3. 3. 3 laws of planetary motion
  4. 4. Occurs in nuclear reactors
  5. 7. Season it would be in the southern hemisphere if it was Spring in the northern hemisphere
  6. 9. The longest day of the year; in the summer
  7. 12. milkyway galaxy
  8. 13. The smallest planet, closest to the sun
  9. 15. Rocky planets
  10. 16. Tide during a new moon
  11. 19. Tide during a 1st quarter moon