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Brian P. Schmidt (born February 24, 1967, Missoula, Montana, U.S.) is an astronomer who was awarded the 2011 Nobel Prize for Physics for his discovery of dark energy, a repulsive force that is the dominant component (73 percent) of the universe. He shared the prize with American physicist Saul Perlmutter and astronomer Adam Riess. Schmidt holds dual citizenship in Australia and the United States. Schmidt received bachelor’s degrees in physics and astronomy from the University...