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Astronomers Have Finally Found Our Galaxy’s Missing Sister

    Astronomers Have Finally Found Our Galaxy’s Missing Sister By Judith E Braffman-Miller The first galaxies formed very long ago, when our almost 14 billion year old Universe was less than a billion years of age. Our own Milky Way Galaxy likewise is very ancient–a large starlit pinwheel twirling in space that is thought to be about 13.6 billion…

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