Space

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Across
  1. 2. great clouds of glowing gas,
  2. 4. A supermassive black hole gorging on gas at the center of a distant galaxy.
  3. 5. An event that occurs when the shadow of a planet or moon falls upon a second body
  4. 6. Denotes an object near a celestial pole that never dips below the horizon as Earth rotates and thus does not rise or set.
  5. 7. A temporary dark blemish on the surface of the Sun
  6. 11. A star whose brightness changes over the course of days, weeks, months, or years.
  7. 12. The angle between the plane of an orbit
Down
  1. 1. second full Moon in a single calendar month.
  2. 3. A star ending its life in a huge explosion
  3. 8. The path among the stars traced by the Sun throughout the year
  4. 9. A massive ball of gas that generates prodigious amounts of energy
  5. 10. A slight tipping and tilting of the Moon