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Nobel Laureate Brian Schmidt "The Accelerating Universe"

Dr> Schmidt was awarded the Nobel Prize for his shared discovery of the accelerating expansion of the universe. In 1998 two teams traced back the expansion of the universe over billions of years. The scientists discovered that it was accelerating, a startling discovery contrary to the then-current theory that the universe’s expansion should be slowing down. This new understanding, named Science magazine’s “Breakthrough of the Year,” suggests that more than 70 percent of the cosmos is contained in a previously unknown form of matter, called Dark Energy. As the leader of the High-Redshift Supernova Search Team, Schmidt will describe this historic development and explain how astronomers have used observations to trace our universe back more than 13 billion years, leading them to ponder the ultimate fate of the cosmos.