Solar System

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Across
  1. 1. The name of our galaxy
  2. 2. Type of energy we get from the sun
  3. 3. The only star in our solar system
  4. 5. The element the sun uses for fuel
Down
  1. 1. The smallest planet
  2. 2. Cooler spots on the Sun's surface
  3. 4. Number of planets in our solar system