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Astronomers found an extremely metal-poor star in the Large Magellanic Cloud. It shows how different star-forming environments can be.

"This star provides a unique window into the very early element-forming process in galaxies other than our own."

<p><em>In the culmination of a decade&rsquo;s worth of effort, the DES collaboration of scientists analyzed an unprecedented sample of more than 1,500 supernovae classified using machine learning. They placed the strongest constraints on the expansion of the universe ever obtained with the DES supernova survey.</em><em> </em><em>While consistent with the current standard cosmological model, the results do not rule out a more complex theory that the density of dark energy in the universe could have varied over time. </em></p>

In the culmination of a decade’s worth of effort, the DES collaboration of scientists analyzed an unprecedented sample of more than 1,500 supernovae classifie

Using the DOE-fabricated Dark Energy Camera, mounted on the Víctor M. Blanco 4-meter Telescope at Cerro Tololo Inter-American Observatory, the Dark Energy Sur