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Photonics West Showcase
Saul Perlmutter and supernovae
Saul Perlmutter, posing in front of a supernova image. By measuring the brightness of a large number of "type 1A" supernovae in distant galaxies for the first time, Perlmutter, Schmidt and Riess were able to show that the universe was expanding faster than had previously been thought. Credit: Lawrence Berkeley National Laboratory.
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