The Solar System

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Across
  1. 4. The closest planet to the Sun.
  2. 5. All nine planets can be seen through a ________.
  3. 6. Our Solar __________ has nine known planets.
  4. 9. The _______ of Mars is red and rocky.
Down
  1. 1. In 1610, Galileo discovered that Saturn has many _____.
  2. 2. The planet that we call home.
  3. 3. The largest planet in our Solar System.
  4. 4. Jupiter has about 63 different _________; Ganymede is the biggest.
  5. 7. The sun is the biggest _______ in our Solar System.
  6. 8. The second planet from the sun and is known as Earth's sister planet.