The Planets

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Across
  1. 1. Human can't _____ on Uranus.
  2. 2. The Sun is the star at the ______ of the Solar System.
  3. 4. The whole of Mars is as ____ as the South Pole.
  4. 5. Pluto isn’t the only dwarf planet in our Solar System,we have ___ dwarf planet.
  5. 6. The Sun's light reaches the Earth in _____ minutes.
  6. 7. Saturn's _____ are 90% water.
  7. 8. Many ancient civilisations thought The Sun was a ___.
  8. 9. Neptune is the fourth-largest planet in the Solar System by ________.
Down
  1. 1. The Moon is Earth's only natural _________.
  2. 3. Mars is the ______ planet from the Sun and the ______ smallest planet in the Solar System.
  3. 7. The Solar System is _______ 4.5 billion years old.