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The Hobby-Eberly Telescope at the McDonald Observatory in Fort Davis, Texas, on April 16, 2026, which was used to capture photons from galaxies 10 billion to 12 billion light-years away, more distant than any dark energy survey has attempted before. In the Big Bend region, a portal to the early universe is enabled by the largest dark-sky reserve on Earth. (Emily Elconin/The New York Times/Fotoarena)
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