The Sun

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Across
  1. 2. The sun is the ______ of our solar system.
  2. 4. The sun is composed of _______.
  3. 6. ______ causes the planets to circle the sun.
  4. 7. The sun is made up of 92.1% of ________.
  5. 8. The sun is a ______.
Down
  1. 1. The sun is made up of 7.8% of _______.
  2. 3. How many stars exist in our solar system?
  3. 5. The _____ gives Earth heat and light energy.