Some of the oldest stars in the universe found hiding near the Milky Way's edge — and they may not be alone
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Some of the oldest stars in the universe found hiding near the Milky Way's edge — and they may not be alone

Astronomers reanalyzed the chemical composition of three stars in the Milky Way's halo and found that they are between 12 and 13 billion years old. They may have also been stolen from other galaxies.