Big Bang Theory Crossword!

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Across
  1. 1. Not actually an explosion, an event in which our universe expanded.
  2. 5. Began as atomic particles, now a combination of matter and space.
  3. 8. These are also nicknamed, "Dark Stars"
  4. 10. Oldest microwaves in the universe.
  5. 11. Used to study light.
  6. 12. The first atom formed.
Down
  1. 2. An _______ type galaxy doesn't have a shape that fits into other galaxy shaped.
  2. 3. Our galaxy is a _____ type galaxy.
  3. 4. Keeps galaxies and matter together
  4. 6. Galaxy type that is shaped kind of like a football or egg.
  5. 7. The ghosts we see every night in the sky
  6. 8. Looks similar to a spiral galaxy shape, this galaxy has spirals going up on one side, and spirals going down on the other. May look like a line is going through it.
  7. 9. The galaxy our solar system is in.