A Bit of Space

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Across
  1. 2. Planet with the most moons
  2. 4. System consisting of a large number of stars bound together by gravity
  3. 6. Celestial body made ice and rock that orbits the Sun
  4. 7. Huge explosion caused when a star collapses
  5. 9. Path objects take around a star or planet
  6. 10. When one celestial body blocks the light of the Sun from another
  7. 11. Way Earth's galaxy
Down
  1. 1. largest planet in our Solar System
  2. 3. Instrument used to view objects in outer space
  3. 5. Person who is trained to travel outer space
  4. 8. Group of stars that form a pattern in the sky