The Solar System

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Across
  1. 3. rolls like a barrel rather than spinning like Earth
  2. 8. a huge, bright ball of burning gas that is held together by gravity
  3. 9. An object orbiting the Sun that is large enough to be rounded by its own gravity
  4. 10. fifth largest planet in the Solar System
  5. 11. spiral galaxy where our Solar System and Earth are located.
  6. 13. the force that attracts a body towards the centre of the earth
  7. 14. a large group of stars, dust, gas and dark matter held together by gravity
  8. 15. includes the Sun and all the objects that orbit around it
  9. 17. a small rock or particle of debris in our solar system.
  10. 18. the biggest object in the Solar System
  11. 19. the largest planet in our solar system.
Down
  1. 1. the fourth planet from the Sun
  2. 2. similar in size to Earth and features thick a thick and hot atmosphere
  3. 4. features an impressive system of rings.
  4. 5. someone trained to be a crew member of a spacecraft
  5. 6. the closest planet to the Sun in the Solar System.
  6. 7. the most well known comet in the Solar System.
  7. 12. small solar system bodies that orbit the Sun made of rock and metal
  8. 16. is nearly four times the size of Earth.
  9. 17. a natural satellite which orbits the Earth