The Solar System

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Across
  1. 3. Neptune is four times the size of which planet?
  2. 4. Which is the largest moon orbiting Saturn?
  3. 6. How many phases of the moon are there?
  4. 8. ............ Planets are rocky planets
  5. 10. The last planet in the solar system
  6. 11. The gravity on Jupiter is too ............ for humans to live there safely
  7. 12. The biggest planet in the Solar System
  8. 14. All the planets in the Solar System orbit the ............
  9. 15. how many moons does Mars have?
  10. 16. As solar eclipse is caused when light from the Sun is blocked by the...........
Down
  1. 1. What would the ice on Mars have to do to enable the planet habitable by humans?
  2. 2. Which planet is named after the Roman God of the sea?
  3. 5. Where most dwarf planets are, and where all comets with an orbit of less than 200 years exist
  4. 6. The shape of an orbit is an .............
  5. 7. The planet closest to the Sun
  6. 9. How many gas giants are there in the Solar System?
  7. 13. Which planet was classified a dwarf planet in 2006?