astronomy

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Across
  1. 2. The smallest star ever discovered in the universe.
  2. 5. The biggest star ever known in the universe.
  3. 6. The smallest planet in our solar system.
Down
  1. 1. The biggest planet in our solar system.
  2. 3. The star that lives in the center of our solar system.
  3. 4. The biggest black hole ever.