The Solar System

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Across
  1. 1. Mars is about ______ the size of the Earth.
  2. 3. The cause of the red spot on Jupiter may be because of a _______.
  3. 5. Saturn's rings are made up of ________ chunks of rocks.
  4. 8. How many times is the Sun larger than the Earth?
  5. 9. How many times is the Earth larger than Mercury?
  6. 10. Which is the first spacecraft that landed on Venus?
  7. 11. Which is the first spacecraft that flew past Mercury taking photographs?
Down
  1. 2. The Earth is covered with a thick layer of air called ______.
  2. 4. Which is the first spacecraft that landed on Mars?
  3. 6. Jupiter has ________ moons.
  4. 7. Neptune and _______ is almost the same size.