The Universe

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Across
  1. 2. It is the name of our planet
  2. 5. It is a huge ball of hot, glowing gas. It makes its own light and heat
  3. 7. The star at the center of our solar system
Down
  1. 1. It is called the Milky Way
  2. 3. It is an instrument used to view distant objects
  3. 4. There are eight in our solar system
  4. 6. It is a natural satellite that travels around the Earth