The Universe

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Across
  1. 3. Piece of rocky debris that travels in outer Space
  2. 5. An event that caused the birth of the Universe
  3. 7. Clouds of dust and gas in space
  4. 8. Term used to describe energy from our star, the sun
  5. 9. Accounts for most of the mass in the Universe
Down
  1. 1. The largest planet in our Solar System
  2. 2. Groups of stars that form patterns in the night sky
  3. 4. The passage of a meteoroid as a noticeable streak of light
  4. 6. Colour of stars with the hottest surface temperature
  5. 8. Large balls of hot gas