Saturday 3 February 2018

Astronomers discover one of the oldest stars in the Milky Way

Astronomers discover one of the oldest stars in the Milky Way

J0815+4729 is a star with both an extreme iron deficiency and a carbon surplus, which suggests it’s one of the oldest stars ever found in the Milky Way. In a new study published in The Astrophysical Journal Letters, a team of Spanish astronomers announced the discovery of one of the first stars to form in the Milky Way. The unevolved star, called J0815+4729, is located 7,500 light-years away in the halo of the Milky Way and likely formed just 300 million years after the Big Bang, some 13.5 billion years ago.

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