Universe

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Across
  1. 1. galaxy we reside in
  2. 3. large objects made of dust that orbit the Sun
  3. 5. extremely luminous active galactic nucleus
  4. 7. luminescent part of interstellar medium
  5. 8. matter hypothetical form of matter (Dark __
  6. 9. a gravitationally bound system of stars
  7. 10. is a planet outside the Solar System.
  8. 13. a small rocky body orbiting a sun.
  9. 15. celestial body moving in orbit around a star.
  10. 16. hole nothing can escape it's gravity (Hole)
Down
  1. 1. small body of matter from outer space.
  2. 2. stars that make an imaginary shape
  3. 4. transient astronomical event
  4. 6. a celestial body resembling a small planet
  5. 11. antiparticles of normal matter.
  6. 12. an object that orbits a plane
  7. 14. a highly magnetized rotating neutron star
  8. 16. Bang A theory of how the universe began.