Guest Benjamin Greenhagen, a planetary scientist at Johns Hopkins University’s Applied Physics Laboratory in Maryland, outlines the lunar surface’s remaining mysteries --- everything from permanently shaded regions at the North and South poles to near and far side impact craters. Greenhagen is the deputy principal investigator of the Diviner Lunar Radiometer instrument onboard NASA’s Lunar Reconnaissance Orbiter (LRO) and is an expert on the geology of the Moon’s surface.
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48:37
Episode 66 --- The Big Questions About The Cosmos And Our Existence
Guest Paul Davies, a theoretical physicist and director of the BEYOND Center at Arizona State University, gives an enlightening and fascinating interview on the true nature of the Cosmos and why there is something rather than nothing. We also discuss his new book: “What’s Eating the Universe? --- and Other Cosmic Questions.”
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1:05:44
Episode 65 --- The Future Of Supersonic, Hypersonic and Suborbital Passenger Flight
Guest Christopher Combs, an assistant professor of aerodynamics at the University of Texas at San Antonio, discusses current prospects for supersonic. hypersonic and even suborbital spaceplane passenger flight. Combs clearly communicates the technical aspects of flight faster than sound and the issues that are hindering our ability to hop from one corner the Earth to the other within 90 minutes or less.
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54:39
Episode 64 --- The Long-Forgotten Tragedy Of The Arctic Airship Italia
Acclaimed U.K. journalist Mark Piesing chats about his first book N-4 DOWN: THE HUNT FOR THE ARCTIC AIRSHIP ITALIA (Harper-Collins) which tracks the long-forgotten history of how airship and early aviators tried to conquer the North Pole. Umberto Nobile’s Italia airship crashed onto the Arctic ice in May 1928 and sparked an international search before Nobile and what was left of his crew were eventually saved by the then relatively novel technology of radio.
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49:19
Episode 63 --- Getting Real About the Social and Psychological Challenges of Long-Term Space Missions
Guest Sheryl L. Bishop, a social psychologist and professor emeritus at the University of Texas Medical Branch at Galveston gets real about what we need to make happen if astronauts are going to be able to thrive off-world beyond low-Earth orbit. Bishop chats candidly about her new book “Space Habitats and Habitability: Designing for Isolated and Confined Environments on Earth and in Space,” co-authored with Sandra Hauplik-Meusburger.
Cosmic Controversy covers past and present issues in aerospace and astronomy with your host --- science journalist, Forbes contributor and ”Distant Wanderers: The Search for Planets Beyond the Solar System” author Bruce Dorminey.
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