“
What we have done is in a way galactic archaeology,
explains Nicolas Martin, astronomer at the Strasbourg Astronomical Observatory.
We searched for ancient stars, and came across the equivalent of a beautiful atypical dinosaur fossil, a cluster of stars far more primitive than previously thought possible, which formed very soon after. the big bang."
This unexpected look at the early ages of the universe earned the international team of astronomers a publication in the prestigious journal
Nature
.
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Webb telescope: after 30 years of twists and turns, the "launch of the century"
"In astrophysics, to study the past, either we use a very large telescope like Hubble or the
James-Webb
to detect very distant and very luminous galaxies, and observe them as they were a few billion years ago, or we look much closer, in our own galaxy, for very primitive stars, and that's what we did”,
explains the Strasbourg astronomer.
To find these...
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