Solar System

Edit Answers
1234567891011121314151617181920212223242526
Across
  1. 6. is a spiral arm of our galaxy is a spiral arm of our galaxy.
  2. 8. astronomical object luminous
  3. 12. It is a rock a little smaller than the size of a planet.
  4. 13. is the second planet of the sun
  5. 15. is a solid piece of debris from an object, such as a comet, asteroid
  6. 16. This is no longer considered a planet
  7. 17. planet closest to the sun
  8. 18. the only planet with life
  9. 21. the layer that covers the planet
  10. 22. our solar system is part of this galaxy
  11. 24. third largest planet in our solar system
  12. 25. It is an imaginary line that joins the two geographic poles of the planet.
Down
  1. 1. It is a spherical region that extends from the Sun to 16.3 light years
  2. 2. planet furthest from the sun
  3. 3. largest planet in our solar system
  4. 4. is an interstellar cloud roughly 30 light-years across, through which the Solar System is moving
  5. 5. is a celestial body made up of dust, rocks, and ice particles
  6. 7. force that keeps a planet moving in orbit
  7. 9. It is a circumstellar disk of the solar system that lies between the orbits of Mars and Jupiter.
  8. 10. It is a celestial body that orbits around a planet.
  9. 11. covers 70 percent of the Earth's surface
  10. 14. a star and the planets orbiting around it
  11. 19. its Earth's only natural satellite
  12. 20. the planet with a ring
  13. 23. "the red planet"
  14. 26. The largest star in the Solar System