THE SOLAR SYSTEM

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Across
  1. 4. It takes Jupiter 10 hours to __________ around its axis. Therefore a day on Jupiter is only 10 hours long.
  2. 5. It take Neptune 165 years to __________ around the sun.
  3. 7. Planet which has the diameter of 32,000 miles.
  4. 9. Planet which has 53 moons.
  5. 11. (TWO WORDS-NO SPACES)Unmanned spacecraft used for the exploration of space.
  6. 12. (TWO WORDS-NO SPACES)The four planets closest to the sun; consisting of Mercury, Venus, Earth, and Mars.
  7. 13. (TWO WORDS-NO SPACES)The four planets farthest from the sun; consisting of Jupiter, Saturn, Uranus, and Neptune.
  8. 14. Planet which is 486,4000,000 miles away from the sun.
Down
  1. 1. To wear away.
  2. 2. A type of sedimentary rock formed form large pebbles and stones.
  3. 3. Planet with has a day length of 24 hours.
  4. 6. Space probe mentioned on page 137.
  5. 8. The most common element in Earth's crust.
  6. 10. Planet that has a mass 17 times that of Earth.
  7. 11. (TWO WORDS-NO SPACES)A sun and the objects that revolve around it, such as planets and their moon(s).