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Adam Riess, an astronomer at the Space Telescope Science Institute (STScI) and Krieger-Eisenhower Professor in Physics and Astronomy at The Johns Hopkins University in Baltimore, today was awarded the 2011 Nobel Prize in Physics by the Royal Swedish Academy of Sciences. The academy recognized him for leadership in the High-z Team's 1998 discovery that the expansion rate of the universe is accelerating, a phenomenon widely attributed to a mysterious, unexplained "dark energy" filling the universe.

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      Last Updated Mar 25, 2025 Editor Sarah Frazier Contact Abbey Interrante abbey.a.interrante@nasa.gov Location Goddard Space Flight Center Related Terms
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