Space

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Across
  1. 3. - Known for its heart-shaped glacier, once called the ninth planet.
  2. 4. - Known as the Blue Planet because of its vast oceans.
  3. 7. - Takes 165 Earth years to orbit the Sun and is windy.
  4. 8. - Fastest planet, zipping around the Sun in 88 days.
  5. 9. - This star takes up about 99.8% of the solar system's mass.
Down
  1. 1. - Has the most moons—79 at last count!
  2. 2. - Famous for its stunning rings made of ice and rock.
  3. 5. - Home to the tallest volcano in the solar system.
  4. 6. - This planet spins backwards and is super hot.
  5. 8. - Our planet's only natural satellite, moving away each year.