Wallingford-Swarthmore School District

The Universe - 93 billion light years in _____ Virgo Supercluster: 110 million light years in diameter. This is a group of about 100 galaxy groups. The Local Group - _____ million light years in diameter. This is a group of over 50 galaxies. The Milky Way Galaxy - 100,000 light years in diameter ... ................
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