Monday, February 10, 2014

Astronomers discovered a star of 13.7 billion years, the ... -

She would

formed just after the Big Bang, and is only 6,000 years-lights Earth. This star, which is the oldest known to date was discovered by a team from the Research School in Astronomy and Astrophysics at the Australian National univsersité after 11 years of work.


Stefan Keller, who co-led the research, “it is a first step towards the understanding of the very first stars in the universe.” “The first generation of stars in our universe is fundamentally different from what we know today, says Stefan Keller. They were massive, several hundred times the mass of our Sun, and went out after only a few million years, compared to our Sun, which has a lifetime of nine billion years. “

It carries the “fingerprints” of the First Stars

star recently discovered that meets the sweet name of SMSS J031300.36-670839.3, is aged 13.7 billion years. It could allow scientists to better understand these first stars, analyzing deposits that they have left exploding. “She helped us in some way to take these ancestors” fingerprint “, develops Stefan Keller.

scientific compares this work looking for a needle in a haystack. “It was a star among 60 million in our research. “

M. C.

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