Galaxies and the Universe

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Across
  1. 2. all of space and everything in it
  2. 3. states that the farther away a galaxy is, the faster it is moving away from us
  3. 5. matter that does not give off electromagnetic radiation
  4. 7. galaxy that looks like round or flattened balls and tends to have older stars
  5. 9. large cloud of gas and dust such as the one that formed our solar system
  6. 11. large groupings of older stars that are round and densely packed
  7. 12. have a loose, disorganized appearance and contain no more than a few thousand stars
  8. 13. active young galaxies with giant black holes at their centers (shine very brightly)
  9. 14. mysterious energy that is causing the expansion of the universe to accelerate
  10. 15. huge group of single stars, star systems, star clusters, dust, and gas bound together by gravity
Down
  1. 1. galaxy that is typically smaller than other types of galaxies that generally have many bright, young stars and lots of gas and dust to form new stars in no specific pattern
  2. 4. leftover thermal energy from the big bang
  3. 6. explosion that created the universe
  4. 7. A system in which one star periodically blocks the light from another
  5. 8. Star systems that have two stars
  6. 9. galaxy that appears to have a bulge in the middle and arms that spiral outward, like pinwheels
  7. 10. small asteroid-like bodies that for planets