Universe

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Across
  1. 5. millions of stars together make a ______
  2. 6. our sun was born about 4.6______ years ago
  3. 7. nebulae had its own spinning motion and_____
  4. 8. ________ make up the universe
Down
  1. 1. The galaxy to which our solar system belongs is called
  2. 2. the gigantic explosion of cosmic egg
  3. 3. traveling speed of light is known as
  4. 4. giant clouds of gases and dust particles called
  5. 9. The sun is a _______