Getting to Know: The Structure of the Universe

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Across
  1. 3. galaxies that have a circular or oval shape
  2. 8. galaxies are classified by ___________.
  3. 9. this spiral galaxy has an elongated middle
  4. 10. stars in our galaxy are __________________ far apart
Down
  1. 1. a star and the objects that orbit that star are a __________
  2. 2. this is 100,000 light years across and contains 200 billion stars
  3. 4. galaxies that do not fit into any classification
  4. 5. this galaxy is 28 million light years away
  5. 6. a collection of stars, gases, dust, planets and other astronomical bodies
  6. 7. contains billions of galaxies