THE SOLAR SYSTEM

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Across
  1. 5. The gravitationally curved path of an object around a point in space
  2. 6. The coldest planet in the Solar System
  3. 9. The planet with the shortest day
  4. 10. ''The water planet''
  5. 11. The name of the galaxy we live in
  6. 12. The largest moon in the Solar System
  7. 16. When the Sun or the Moon passes through a shadow of another heavenly body
  8. 17. The second largest planet in the Solar System
  9. 18. The planet named after the Roman God of War
Down
  1. 1. The largest dwarf planet
  2. 2. The natural satellite of a planet
  3. 3. A group of stars that form a recognizable pattern
  4. 4. Closest planet to the Sun
  5. 7. The number of planets in the Solar System
  6. 8. The force that keeps all of the planets in orbit around the Sun
  7. 13. Shape of the planet's orbits
  8. 14. The hottest planet in the Solar System
  9. 15. A celestial body moving in an elliptical orbit around a star
  10. 17. A luminous sphere of plasma
  11. 19. The closest star to the Earth