Astronomers discover oldest star: Formed shortly after the Big Bang 13. 7 billion years ago

A team of astronomers has discovered the oldest known star in the Universe, which formed shortly after the Big Bang 13.7 billion years ago. The discovery has allowed astronomers for the first time to study the chemistry of the first stars, giving scientists a clearer idea of what the Universe was like in its infancy.
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Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/top_science/~3/CjvAoSlNjS0/140209200836.htm