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Adam Riess is an internationally renowned observational cosmologist working on the measurement of the expansion of the universe for which he was awarded the Nobel Prize in Physics.

Adam Riess is an internationally renowned observational cosmologist working on the measurement of the expansion of the universe and a recipient of the 2011 Nobel Prize in Physics. His research is critically important for furthering our knowledge of the origin, composition, and ultimate destiny of our universe, and our understanding of the fundamental physics of space and time.

He is currently developing new tools for measuring the present expansion rate or Hubble constant to unprecedented precision. Riess uses NASA’s Hubble Space Telescope to provide probes of the nature of dark energy through techniques he helped develop for this purpose. His goal is to determine the nature of dark energy, how gravity behaves across the universe and how these may impact the fate of the universe. He is on faculty at the Departments of Physics and Astronomy at Johns Hopkins University and the Space Telescope Science Institute and is a member of the U.S. National Academy of Sciences.

More about Adam Riess and the 2011 Nobel Prize in Physics