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Since 2002, Planetary Radio has visited with a scientist, engineer, project manager, advocate, or writer who provides a unique perspective on the quest for knowledge about our Solar System and beyond. The full show archive is available for free.
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Neil Gehrels and WFIRST—A Space Telescope for the 2020s
NASA has given the go-ahead for creation of the Wide-Field Infrared Survey Telescope. It might help reveal the nature of dark energy and point the way to life among the stars.
Oldest Bang Since the Big Bang!
Oldest Bang Since the Big Bang!
The Brightest Light in the Universe
The Brightest Light in the Universe
Gamma Ray Bursts: Explaining the Universe's Biggest Bangs
Swift satellite principal investigator Neil Gehrels on what causes the universe's biggest explosions. Q&A on the rings of Saturn, and a new space trivia contest during our What's Up segment about the night sky and more.