It's the 50th anniversary of Pioneer 10, the first spacecraft to the outer planets. Pioneers 10 and 11 were scrappy, low-cost endeavors that blazed the path for future exploration. But the future has been expensive: outer planets missions are some of the priciest planetary probes in history. Can we get back to a pioneering spirit and increase the frequency of outer planet exploration? To find out, we talk with Mark Wolverton, author of “The Depths of Space: The Story of the Pioneer Probes,” and Scott Bolton, principal investigator for Juno, the most affordable Jupiter mission in decades. Casey and Mat also discuss the dynamic and tragic situation in Ukraine, and its implications for space. Discover more here: https://www.planetary.org/planetary-radio/pioneer-10-and-11-bolton-wolverton
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