Solar System

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Across
  1. 3. The largest planet in the solar system.
  2. 5. The ____ belt is located between Mars and Jupiter.
  3. 7. The closest planet to the Sun, and it is also the hottest.
  4. 8. The time it takes a planet to rotate on its _____ is equal to a day on that planet.
  5. 10. The seventh planet from the Sun.
  6. 12. This planet takes the longest to travel around the Sun.
  7. 15. This lasts 365 days on the Earth.
  8. 16. These objects are believed to be left over from the beginning of the solar system.
  9. 17. The path the planets take when traveling around the Sun.
  10. 18. The Earth has one, but other planets have many of them.
  11. 19. This planet takes about the same time as the Earth to rotate on its axis one time.
Down
  1. 1. The beginning of the solar system was about 4.6 _______ years ago.
  2. 2. The galaxy our solar system is located.
  3. 4. This planet has the longest day, taking 243 Earth days to rotate one time.
  4. 6. The Sun and the objects that travel around it.
  5. 9. It is the closest star to Earth made up of mostly helium and hydrogen.
  6. 11. The planet famous for its many rings.
  7. 13. This planet is inhabited by people, 93 million miles from the Sun.
  8. 14. The total number of planets.