Space

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Across
  1. 1. A natural satellite that orbits the Earth
  2. 2. the star Earth orbits
  3. 3. A gravitational field so strong that not even light can escape
  4. 4. An enormous cloud of dust and gas occupying the space between stars and acting as a nursery for new stars
  5. 7. All of space and everything in it including stars, planets, galaxies, etc
  6. 8. A young star are in the early stages of formation
  7. 11. The cycle the moon goes through
  8. 12. A star that is among the most massive and brightest of all stars
  9. 15. The planet we live on
  10. 16. A diagram to classify stars
  11. 17. 90% of stars are in this stage of their life cycle
Down
  1. 1. The galaxy the Earth is located in
  2. 2. Where the moon is between the Earth and sun
  3. 5. A extremely bright explosion of a star
  4. 6. A star that has exhausted all of its nuclear fuel; plant size and very dense
  5. 8. A celestial body that orbits stars
  6. 9. A system of stars and all the objects that orbit it
  7. 10. A dead star that no longer gives off light or heat
  8. 13. The path of a celestial body in its revolution about another
  9. 14. A star that is larger and brighter than a main sequence star