Former Soviet Space Program Director Roald Sagdeev on the Sputnik 1 Anniversary
Planetary Radio: Space Exploration, Astronomy and Science - Un pódcast de The Planetary Society - Miercoles
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Former Soviet Space Program Director Roald Sagdeev on the Sputnik 1 AnniversaryLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.
