Planetary Radio: Space Exploration, Astronomy and Science

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Discovering life elsewhere: How can we be sure? Dec 01, 2021

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Is it life? NASA chief scientist Jim Green and Mary Voytek, leader of the agency’s astrobiology program, are two authors of a paper that calls for a system or scale that will allow scientists and others to evaluate the validity and importance of evidence that points to life elsewhere in the solar system or across the galaxy. Planetary Society communications strategy adviser Kate Howells shares our gift list for the space fan in your life, while Bruce Betts takes us across the night sky toward a new space trivia contest. There’s more to explore at https://www.planetary.org/planetary-radio/2021-jim-green-mary-voytek-astrobiology-scale

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Into the anthropocosmos with Ariel Ekblaw Nov 24, 2021

Show notes

Ariel Ekblaw and her Space Exploration Initiative colleagues believe we are at the cusp of interplanetary civilization. They are building the tools, environments and knowledge that will speed the transition and solve problems on Earth. Ariel has published Into the Anthropocosmos, a beautiful celebration of SEI’s fifth anniversary that presents many of its innovative projects. Someone will win a copy of the book in the new What’s Up space trivia contest. There’s more to explore at https://www.planetary.org/planetary-radio/2021-ariel-ekblaw-mit-space-exploration-initiative

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The DART asteroid impact mission begins, with Nancy Chabot Nov 17, 2021

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DART coordination lead Nancy Chabot and the rest of the Double Asteroid Redirection Test team will see their spacecraft rocket toward asteroids Didymos and Dimorphos in a few days. She returns to Planetary Radio with a preview of the mission and its difficult challenge. Planetary Society editor Rae Paoletta takes us on a brief tour of the solar system’s volcanoes, and a special guest joins Bruce Betts and Mat Kaplan for What’s Up. There’s more to explore at https://www.planetary.org/planetary-radio/2021-dart-launch-nancy-chabot

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Spacecraft communications and navigation with Badri Younes Nov 10, 2021

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Badri Younes says that a spacecraft that can’t communicate or find its way is worthless. He leads SCaN, NASA’s Space Communications and Navigation program, which manages resources like the agency’s Deep Space Network. SCaN is also preparing for a future that relies on optical communication and possibly even quantum computing. Younes takes us on an audio tour of SCaN’s work that extends beyond our solar system. There’s more to explore at https://www.planetary.org/planetary-radio/2021-badri-younes-nasa-scan

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Space Policy Edition: We're entering a new era of planetary defense (with Lindley Johnson) Nov 05, 2021

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The first in-space test of asteroid deflection technology, DART, launches this month. Lindley Johnson, NASA's planetary defense coordination officer, joins the show to talk about how this mission represents a new era for the agency's Planetary Defense program, and how it took nearly 25 years to convince policymakers, international partners, and even NASA that asteroid detection and deflection is an important use of taxpayer dollars. Casey and Mat also highlight the new Astrophysics decadal survey report and the federal ruling against Blue Origin in its effort to secure funding for its lunar lander. Discover more here: https://www.planetary.org/planetary-radio/lindley-johnson-dart-planetary-defense

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Sarah Al Amiri and the new UAE mission to the asteroid belt Nov 03, 2021

Show notes

The chair of the United Arab Emirates space agency returns with news of an ambitious mission to explore seven asteroids. Sarah also shares the latest science from the Emirates Mars Mission Hope orbiter. The Planetary Society’s Kate Howells invites you to vote for the best space images and more from 2021. And we’ve got two space trivia contest winners to announce in the new What’s Up with Bruce Betts. There’s more to explore at https://www.planetary.org/planetary-radio/2021-sarah-al-amiri-uae-asteroid-mission

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Sally Ride: Revisiting our 2005 conversation Oct 27, 2021

Show notes

Host Mat Kaplan has wanted to reshare his first conversation with the great Sally Ride for years. Sally talks about women in space, the loss of space shuttle Challenger, and her devotion to sharing the wonders of science with young girls through Sally Ride Science. Planetary Society editor Rae Paoletta takes us to Jupiter’s Great Red Spot. Is it shrinking? We also celebrate the return of the space trivia contest. There’s more to explore at https://www.planetary.org/planetary-radio/2021-2005-sally-ride-interview

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Amazing Technology at the NASA Innovative Advanced Concepts Symposium Oct 20, 2021

Show notes

Planetary Radio host Mat Kaplan interviewed NIAC Fellows about their revolutionary projects as part of the 2021 virtual symposium. You’ll hear highlights including how we might grow structures on the Moon and Mars from fungi, and solar sails that will pass excruciatingly close to the Sun before they zoom out of our solar system. We’ll also check in with Society chief scientist Bruce Betts for another What’s Up. Learn more at https://www.planetary.org/planetary-radio/2021-2021-niac-symposium

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Leaders of the Lucy asteroid mission Oct 13, 2021

Show notes

A delightful, exclusive conversation with principal investigator Hal Levison, deputy principal investigator Cathy Olkin and deputy project systems engineer Mike Sekerak on the eve of Lucy’s launch toward the asteroids that share Jupiter’s orbit. Don’t miss the cameo appearance by Ringo Starr! Bruce Betts offers another What’s Up space trivia contest with an extended deadline. Learn more at https://www.planetary.org/planetary-radio/2021-lucy-levison-olkin-sekerak

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Why didn’t Dawn land on dwarf planet Ceres? Oct 06, 2021

Show notes

It started with a question from a listener. The answer comes from Dawn mission chief engineer and mission director Marc Rayman. Marc also tells us about his new job as chief engineer for mission operations and science at NASA’s Jet Propulsion Laboratory, and shares his love of space exploration with Mat. LightSail 2 is still going strong! Program manager Bruce Betts opens this week’s What’s Up segment with a mission status report. Learn more at https://www.planetary.org/planetary-radio/2021-mark-rayman-dawn-ceres

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