Solar system

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Across
  1. 2. The force that keeps planets in orbit
  2. 4. way, Earth's Galaxy
  3. 6. A celestial object made up of ice, dust, rock, and frozen gases that orbits the Sun
  4. 8. The total number of planets in the solar system
  5. 9. The largest planet in the solar system
  6. 10. Either of the two moments in the year when the Sun's apparent path is farthest north or south from Earth's Equator
  7. 12. A season
  8. 16. A total of 356.25 days
  9. 17. This occurs in a 24-hour period
  10. 19. The planet called Gas giant known for its rings
Down
  1. 1. The scientists who specialize in observing, researching, and understanding phenomena occurring in outer space
  2. 3. Usually the coldest time of the year
  3. 5. A small rocky or metallic body that enters Earth's atmosphere from outer space
  4. 7. The path planets travel
  5. 11. Third planet from the sun
  6. 12. The star at the center of the solar system
  7. 13. phenomena that results in the seasons
  8. 14. year, This occurs every four years
  9. 15. The imaginary line that earth spins
  10. 18. The time or date at which the sun crosses the celestial equator, which determines the longest day or night is