How Well Do You Know the Galaxies?

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Across
  1. 2. a planet in the milky way
  2. 3. a galaxy with a bulge and arms
  3. 4. a star at the center of our solar system
  4. 6. a galaxy with out a particular shape
  5. 8. the name of the galaxy where Earth is located
Down
  1. 1. glowing ball of hot gas millions or billions of miles away
  2. 3. the season it is easiest to see our galaxy with your own eyes
  3. 4. is made up of celestial bodies like planets
  4. 5. a galaxy shaped like a football
  5. 7. a collection of gas, dust, stars and solar systems