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Satellite Provides Fundamental Info on Universe

A modest satellite a million miles from earth unequivocally answers some of the deepest questions about our universe, astronomers say. The satellite has determined not only the age of the universe, but has even fixed our ultimate fate. NPR's Richard Harris reports.

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Award-winning journalist Richard Harris has reported on a wide range of topics in science, medicine and the environment since he joined NPR in 1986. In early 2014, his focus shifted from an emphasis on climate change and the environment to biomedical research.