Space Discovery
Astronomers have identified a star that stands as the most chemically pristine object known in the universe. This exceptional find offers new insights into the early cosmos. The star's composition reveals extremely low levels of heavy elements.
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Astronomers using the Hubble Space Telescope have discovered a new Einstein's Cross, a gravitational lensing phenomenon that exposes a massive dark matter halo surrounding a distant galaxy. This rare quadruple image of a quasar offers fresh evidence on dark matter's extent. The research, led by scientists from Spain's Instituto de Astrofísica de Canarias, appears in Nature Astronomy.