Solar System Crossword

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Across
  1. 3. has two moons and is the last of the terrestrial planets along with Mercury, Venus, and Earth.
  2. 4. One year here is equal to 165 years on Earth.
  3. 7. orbit around the Sun is every 29.4 Earth years
  4. 9. has the lowest temperature of all the planets, with a minimum atmospheric temperature of -224°C.
Down
  1. 1. The Great Red Spot visible there is a storm that has been going on for at least 350 years. It is massive enough to fit three Earth-sized planets in it.
  2. 2. is no longer considered a planet since 2006.
  3. 3. This is the first planet closest to the Sun and the smallest in our solar system.
  4. 5. Was once believed to be the center of the universe until it was debunked by Galileo Galilei.
  5. 6. One day here is longer than one day on Earth.
  6. 8. The center of our solar system