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Planetary RadioApril 28, 2008

The Brightest Light in the Universe

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Special Guests
Neil Gehrels
Neil Gehrels

Chief, Astroparticle Physics Laboratory, NASA Goddard Space Flight Center

The Swift spacecraft found the biggest explosion ever witnessed by humans just last month. This Gamma Ray Burst was halfway across the universe. Principal Investigator Neil Gehrels tells us about his orbiting observatory and the powerful yet brief blasts it watches for. Bill Nye the Science Guy also gets a bang out of GRBs. Emily Lakdawalla's Q&A compares Saturn's rings with Jupiter's, and Bruce Betts joins Mat Kaplan on location for What's Up, including a RAT-infested space trivia contest. New space trivia contest, too.

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