Our Galaxy Crossword

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Across
  1. 1. Active galaxies that resemble regular galaxies but emit a considerable amount of infrared radiation.
  2. 4. These galaxies are very strange shapes; ranging from toothpicks to rings.
  3. 6. Similar to spiral glaxies they are flat disks but they do not have any arms. But similar to elliptical galaxies the stellar population are older.
  4. 7. A flat galaxy with spiral arms that reach out from the center of the galaxy.
Down
  1. 2. Range from completly round shapes to ovals. These galaxies tend to have older stellar populations than spiral galaxies.
  2. 3. Makes up only 10% of galaxies. Their centers are 100 times brighter than other galaxies and they can be a variety of shapes.
  3. 5. The galaxy the we reside in.