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Suborbital space tourism finally arrives | FCC prepares to run public C-band auction | The big four in the U.S. launch industry — United Launch Alliance, SpaceX, Blue Origin and Northrop Grumman — hope to be one of two providers that will receive five-year contracts later this year to launch national security payloads starting in 2022. | China’s launch rate stays high | The International Space Station is the largest ever crewed object in space.

 
Europa Clipper’s message in a bottle
NASA’s Europa Clipper mission is almost ready for its historic trip to the Jovian system. Merc Boyan, a visual storyteller at The Planetary Society, takes us into the clean room at NASA’s Jet Propulsion Laboratory to speak with team members about the spacecraft. Then Bob Pappalardo, project scientist for Europa Clipper, visits The Planetary Society headquarters in Pasadena, CA, to share the story of the mission’s vault plate, humanity’s next collection of messages to another world. Bruce Betts, the...

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Eclipse-O-Rama
On April 8, 2024, a total solar eclipse passed over Mexico, the United States, and Canada. This week on Planetary Radio, we take a trip to The Planetary Society’s Eclipse-O-Rama festival in Fredericksburg, Texas, where hundreds gathered to witness totality. We share the reactions of festival attendees along with snippets from the talks given by special guests at the event, including Bill Nye, the CEO of The Planetary Society, Bethany Ehlmann, president of The Planetary Society and principal investigator...

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Tabletops and telescopes: NASA’s RPG and the...
This week on Planetary Radio, we explore “The Lost Universe,” NASA’s first tabletop role-playing game, with Christina Mitchell, a senior multimedia specialist at NASA’s Goddard Space Flight Center in Maryland, U.S.A. Then, we’ll shift our gaze from the mythical to the methodical with Amaury Triaud, an astronomer from the University of Birmingham in the U.K. He and his colleagues have found a new method for potentially detecting liquid water on the surfaces of terrestrial exoplanets. We close out with...

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Radiolab helps name a quasi-moon of Venus
Sometimes, misunderstandings can spark beautiful adventures. This week on Planetary Radio, we explore the story behind the naming of Zoozve, a quasi-moon of Venus, with Latif Nasser, co-host of Radiolab. He shares how a typo on a space poster led the Radiolab team on an epic quest to convince the International Astronomical Union to name this quirky space object. Then, Bruce Betts, our chief scientist, pops in for What’s Up and a discussion of some of the things asteroid...

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Space Policy Edition: Real and Acceptable Reasons...
Former NASA Administrator Mike Griffin joins the Space Policy Edition to discuss his notable 2007 speech outlining the tension between so-called “real” and “acceptable” reasons for space exploration. “Acceptable” reasons for space exploration are logical, policy-friendly justifications such as workforce development, technology spinoffs, and STEM engagement. They are quantifiable and dispassionate — the Vulcans of arguments. However, Griffin argues that the essence of humanity’s drive to explore space is the “real” reasons, which are intuitive, emotional, and grand. They...

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Syzygy science: Discoveries made during total solar...
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Eclipse Tips: A guide to safe observing...
On April 8, 2024, a total solar eclipse will sweep across North America. Ron Benner, the President of the American Optometric Association, joins Planetary Radio to share safety tips to protect your eyes during partiality. Then, astrophotographer Andrew McCarthy gives helpful advice about observing solar eclipses using telescopes and cameras. We close the show with our chief scientist, Bruce Betts, as he discusses The Planetary Society’s new eclipse book for kids, “Casting Shadows,” and the upcoming Eclipse-O-Rama festival in...

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The asteroid hunter
Behind every space mission is a tale of hard work, love, and perseverance. Dante Lauretta, the principal investigator for NASA’s OSIRIS-REx mission, joins Planetary Radio to share stories from his new book, “The Asteroid Hunter.” Then Bruce Betts, the chief scientist of The Planetary Society, looks back at the Shoemaker-Levy 9 impact on Jupiter and answers a question from our audience in What’s Up. Discover more at: https://www.planetary.org/planetary-radio/2024-the-asteroid-hunter

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Benefits of the net-zero emissions strategy for...
Achieving the goals of the Paris Climate Agreement will require the combined efforts of states and companies around the world. How can developing countries achieve carbon neutrality and boost their resilience while pursuing economic growth and improved living standards? A study by the Research Institute for Sustainability (RIFS) draws on the example of Nepal to analyze the benefits of a net-zero emissions strategy.

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A helicopter is going to Titan. Could...
What are the hydrocarbon seas on Titan really like? While the upcoming Dragonfly helicopter mission to Saturn’s hazy and frigid moon should arrive by 2034 to explore Titan’s atmosphere, the need remains for a mission that could study the moon’s mysterious seas and lakes, filled with liquid hydrocarbons.

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