Spacetime

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Across
  1. 3. transports astronauts and artificial satellites to outer space
  2. 5. I contain billions of stars and can be elliptical, spiral or have many other shapes
  3. 6. a cloud of gas and dust in outer space
  4. 8. I was considered a planet once
  5. 9. floating ice in outer space
Down
  1. 1. a body so dense that not even light can escape it when too close
  2. 2. a massive star when goes boom
  3. 4. I orbit a planet
  4. 5. force that makes you suck on Earth
  5. 7. color of the hottest stars