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Unformatted text preview: The extended solar neighborhood- 1,700 light years The Milky Way Galaxy Milky Way (~100 billion stars) is ~75,000 light years diameter The Local Group of galaxies: several million light years Clusters of Galaxies are grouped into superclusters Superclusters from filaments and walls around voids Observable Universe- ~14billion years old contains more than 100 billion galaxies each contain ~100 billion stars...
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- Spring '08