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The Case for a Return to Enceladus
From: Mat Kaplan
Series: Planetary Radio
Caption: An artist's impression of the late Cassini spacecraft approaching the giant water plumes emanating from the icy surface of Enceladus., Credit: NASA/JPL-Caltech
Flying a spacecraft through geysers spewing from Saturn’s moon Enceladus might reveal the building blocks of life or even life itself.

Bought by KIYU-FM, WFHB, WJCU, WMUU-LP, KWMR and more


  • Added: Sep 15, 2021
  • Length: 28:50
  • Purchases: 12
An ESCAPADE to Mars, on the cheap
From: Mat Kaplan
Series: Planetary Radio
Caption: The ESCAPADE Mars mission will consist of two identical satellites — “Blue” and “Gold” — that will study how the planet’s ionosphere and magnetic field interact., Credit: Rocket Lab
Can NASA send robotic explorers to Mars for a tiny fraction of what most missions cost?

Bought by WFHB, KIYU-FM, WJCU, KWMR, KBUT Crested Butte, Colo. and more


  • Added: Sep 08, 2021
  • Length: 28:50
  • Purchases: 11
Liquid Water Under the Martian Polar Ice? Maybe Not
From: Mat Kaplan
Series: Planetary Radio
Caption: The European Space Agency's Mars Express spacecraft captured the infrared, green, and blue-light images used to make pictures of the Martian south pole., Credit: ESA / G. Neukum (Freie Universitaet, Berlin) / Bill Dunford / Edited by The Planetary Society
New research indicates that what appeared to be liquid water hiding under Mars’ polar ice may actually be a form of clay.

Bought by KBUT Crested Butte, Colo., C89.5 - KNHC Seattle, WFHB, KIYU-FM, KWMR and more


  • Added: Sep 01, 2021
  • Length: 28:50
  • Purchases: 13
Europa Clipper Sails Toward Launch
From: Mat Kaplan
Series: Planetary Radio
Caption: We are on the cusp of exploring what may be the best place in our solar system to look for life beyond Earth. That place is Jupiter’s moon Europa., Credit: NASA/ Jet Propulsion Laboratory-Caltech
Mission system manager Al Cangahuala says the robotic explorer of Jupiter’s ocean moon is making steady progress toward a 2024 launch.

Bought by C89.5 - KNHC Seattle, KIYU-FM, KMUN, KWMR, KCNP and more


  • Added: Aug 25, 2021
  • Length: 28:50
  • Purchases: 12
Cassini, Voyager and beyond with Linda Spilker
From: Mat Kaplan
Series: Planetary Radio
Caption: The Cassini spacecraft flies through the plumes emanating from Saturn's moon Enceladus. This still image is from a computer-animated film that highligts the Cassini-Huygens mission accomplishments., Credit: NASA/JPL-Caltech
Cassini mission project scientist returns with new science from ocean moon Enceladus and anniversaries to celebrate with the Voyager mission.

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  • Added: Aug 18, 2021
  • Length: 28:50
  • Purchases: 11
How Perseverance Drives Itself Around Mars
From: Mat Kaplan
Series: Planetary Radio
Caption: The Perseverance rover looks back over the tracks is has laid across Jezero Crater on Mars., Credit: NASA/JPL-Caltech
The Perseverance rover’s chief robotics engineer takes us for a spin across Mars.

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  • Added: Aug 10, 2021
  • Length: 28:50
  • Purchases: 12
Alan Stern Says It’s Time for Suborbital Science
From: Mat Kaplan
Series: Planetary Radio
Caption: Virgin Galactic's SpaceShipTwo in its payload configuration, carrying science experiments into a microgravity environment., Credit: Virgin Galactic
Planetary scientist and New Horizons principal investigator Alan Stern says great science will ride on Virgin Galactic’s SpaceShipTwo and Blue Orig...

Bought by KIYU-FM, KMRE-LP Bellingham, Wash., KWMR, WJCU, WMUU-LP and more


  • Added: Aug 03, 2021
  • Length: 28:50
  • Purchases: 12
Remembering Apollo 15 with author Andy Chaikin
From: Mat Kaplan
Series: Planetary Radio
Caption: Jim Irwin with Apollo 15's Lunar Roving Vehicle. Developed in a breakneck 17 months, the LRV greatly extended the exploration range of final three Apollo missions., Credit: NASA/The Planetary Society
Space historian and author of A Man on the Moon Andy Chaikin returns as we celebrate Apollo 15’s 50th anniversary.

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  • Added: Jul 27, 2021
  • Length: 28:50
  • Purchases: 12
Amy Mainzer and a New Asteroid-Hunting Space Telescope
From: Mat Kaplan
Series: Planetary Radio
Caption: This artist's concept of NASA's Near-Earth Object Surveyor Mission shows the space telescope in front of a star field captured by the WISE telescope., Credit: NASA/JPL-Caltech/The Planetary Society
NASA has approved development of the NEO Surveyor space telescope. Project lead Amy Mainzer will share her hopes for this vital planetary defense t...

Bought by C89.5 - KNHC Seattle, WFHB, KIYU-FM, WJCU, KWMR and more


  • Added: Jul 20, 2021
  • Length: 28:50
  • Purchases: 13
We’re Going Back to Venus
From: Mat Kaplan
Series: Planetary Radio
Caption: Artist's concept of active volcanos on Venus, Credit: NASA/JPL-Caltech/Peter Rubin
Leaders of the DAVINCI and VERITAS missions tell us what their spacecraft will reveal about the planet that is so much like Earth and yet so terrib...

Bought by C89.5 - KNHC Seattle, KIYU-FM, WFHB, KWMR, WJCU and more


  • Added: Jul 14, 2021
  • Length: 28:50
  • Purchases: 12
Visiting the James Webb Space Telescope
From: Mat Kaplan
Series: Planetary Radio
Caption: NASA’s James Webb Space Telescope sits with its five-layer sunshield fully deployed during testing at Northrop Grumman in Redondo Beach, California., Credit: NASA/Chris Gunn
Host Mat Kaplan visits the James Webb Space Telescope in California to see the observatory before it launches and speak with project leaders.

Bought by C89.5 - KNHC Seattle, WFHB, KIYU-FM, KWMR, WJCU and more


  • Added: Jul 07, 2021
  • Length: 28:50
  • Purchases: 12
Finding Life by Looking for Complexity
From: Mat Kaplan
Series: Planetary Radio
Caption: Chemical Space, Credit: Naomi Johnson and Lee Cronin
University of Glasgow chemist Lee Cronin believes he and his collaborators have found a way to recognize life as we know it and as we don’t know it.

Bought by KBUT Crested Butte, Colo., WFHB, KIYU-FM, WJCU, KWMR and more


  • Added: Jun 30, 2021
  • Length: 28:50
  • Purchases: 12
The Pearly Clouds of Mars
From: Mat Kaplan
Series: Planetary Radio
Caption: NASA's Curiosity Mars rover spotted these iridescent, or "mother of pearl," clouds on March 5, 2021, the 3,048th Martian day, or sol, of the mission. , Credit: NASA/JPL-Caltech/MSSS
Atmospheric scientist Mark Lemmon discusses the beautiful clouds on Mars imaged by NASA's Curiosity rover.

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  • Added: Jun 23, 2021
  • Length: 28:50
  • Purchases: 13
Amateur Astronomers Saving the World
From: Mat Kaplan
Series: Planetary Radio
Caption: Artist concept of a large asteroid crashing toward Earth., Credit: Getty Images
Planetary Society grants have enabled amateur astronomers to discover and track asteroids that cross Earth’s path. We’ll meet two of them.

Bought by WFHB, KIYU-FM, WJCU, KWMR, KBUT Crested Butte, Colo. and more


  • Added: Jun 16, 2021
  • Length: 28:50
  • Purchases: 11
Experimental Cosmologist Brian Keating
From: Mat Kaplan
Series: Planetary Radio
Caption: The Simons Array will be located in Chile’s High Atacama Desert, at an elevation of about 17,000 feet. The site currently hosts the Atacama Cosmology Telescope (bowl-shaped structure at upper right) and the Simons Array (the three telescopes at bottom lef, Credit: University of Pennsylvania
A fascinating, wide-ranging conversation with Brian Keating, director of the Simons Observatory that will search for our cosmic origins from a moun...

Bought by KIYU-FM, WFHB, KMRE-LP Bellingham, Wash., WXAV 88.3FM Chicago, KWMR and more


  • Added: Jun 09, 2021
  • Length: 28:50
  • Purchases: 13
Mighty Jupiter and the Juno Mission
From: Mat Kaplan
Series: Planetary Radio
Caption: NASA’s Juno spacecraft captured this stunning compilation image of Jupiter’s stormy northern hemisphere as it performed a close pass of the gas giant planet. Some bright-white clouds can be seen at high altitudes on the right side of Jupiter’s disk. Image, Credit: NASA/JPL-Caltech/SwRI/MSSS
The Juno mission will continue its exploration of Jupiter till 2025, thanks to a four-year extension granted by NASA. Principal investigator Scott ...

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  • Added: Jun 02, 2021
  • Length: 28:50
  • Purchases: 11
The New Great Space Observatories
From: Mat Kaplan
Series: Planetary Radio
Caption: The New Great Observatories coalition has brought together the logos for the four projects proposed in the 2020 Astronomy and Astrophysics Decadal Survey., Credit: The New Great Observatories Coalition
Astrophysicist Grant Tremblay describes how four proposed space telescopes could reveal our solar system and the universe as never before.

Bought by C89.5 - KNHC Seattle, WFHB, KIYU-FM, KWMR, KRZA and more


  • Added: May 26, 2021
  • Length: 28:50
  • Purchases: 13
Ingenuity Mars Helicopter Project Manager MiMi Aung
From: Mat Kaplan
Series: Planetary Radio
Caption: On April 30, 2021, NASA’s Perseverance rover made history as the first spacecraft to record sounds from another spacecraft on another planet. During Ingenuity’s fourth flight, a microphone included with the SuperCam instrument aboard Perseverance captured, Credit: NASA/JPL-Caltech/ASU/MSSS/LANL/CNES/CNRS/ISAE-SUPAERO
The leader of the Mars Helicopter test mission celebrates her team’s success and explores the daunting challenges they overcame.

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  • Added: May 18, 2021
  • Length: 28:50
  • Purchases: 12
A Conversation with Kyoto Prize Recipient James Gunn
From: Mat Kaplan
Series: Planetary Radio
Caption: The Sloan Foundation 2.5 meter telescope at Apache Point Observatory, Credit: The Sloan Foundation
Jim Gunn co-created and led the Sloan Digital Sky Survey that has revealed the universe as never before.

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  • Added: Apr 28, 2021
  • Length: 28:50
  • Purchases: 11
Is ‘Oumuamua a Piece of a Pluto-Like Planet? And Ingenuity’s First Flight on Mars
From: Mat Kaplan
Series: Planetary Radio
Caption: Artist's impression of interstellar object 'Oumuamua, Credit: William Hartmann
NASA’s Ingenuity Mars Helicopter makes a successful first flight on the Red Planet, while two researchers offer new insights on the first interstel...

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  • Added: Apr 21, 2021
  • Length: 28:50
  • Purchases: 10
The High Frontier: A New Documentary About Gerard K. O’Neill
From: Mat Kaplan
Series: Planetary Radio
Caption: Artist's concept of a giant O'Neill cylinder space settlement., Credit: NASA, Art by Rick Guidice
Gerard K. O’Neill envisioned vast, magnificent human settlements in space. His followers, including Jeff Bezos, are working to turn his vision into...

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  • Added: Apr 14, 2021
  • Length: 28:50
  • Purchases: 10
The First Space Shuttle Pilot: Bob Crippen on the 40th Anniversary of STS-1
From: Mat Kaplan
Series: Planetary Radio
Caption: THE BOLDEST TEST FLIGHT IN HISTORY John Young (left) and Bob Crippen pose for a crew portrait prior to STS-1, the first flight of space shuttle Columbia, in April 1981., Credit: NASA
Robert Crippen and John Young became the first humans to fly a space shuttle into orbit when Columbia launched on April 12, 1981.

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  • Added: Apr 07, 2021
  • Length: 28:50
  • Purchases: 10
NASA’s TESS Exoplanet Mission Finds Over 2,000 Possible New Worlds
From: Mat Kaplan
Series: Planetary Radio
Caption: Artist's impression of the TESS spacecraft on orbit., Credit: NASA
Exoplanet hunter and artist Natalia Guerrero of MIT reveals the discovery of many more possible new worlds by NASA’s Transiting Exoplanet Survey Sa...

Bought by KBUT Crested Butte, Colo., C89.5 - KNHC Seattle, KIYU-FM, WFHB, KWMR and more


  • Added: Mar 31, 2021
  • Length: 28:50
  • Purchases: 12
Return From Ryugu: The Hayabusa2 Leader on His Mission’s Success
From: Mat Kaplan
Series: Planetary Radio
Caption: Hayabusa2 sees its shadow during the second touchdown rehearsal on 15 October 2018. The spacecraft was 47 meters above Ryugu., Credit: JAXA, University of Tokyo, Kochi University, Rikkyo University, Nagoya University, Chiba Institute of Technology, Meiji University, University of Aizu, AIST
Hayabusa2 project manager Yuichi Tsuda shares the exciting success of Japan’s sample return mission ti asteroid Ryugu.

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  • Added: Mar 17, 2021
  • Length: 28:50
  • Purchases: 10
InSight’s Mole: A Martian Science Odyssey
From: Mat Kaplan
Series: Planetary Radio
Caption: The heat-flow probe known as the mole sticks out of the Martian surface in this image captured by NASA's InSight spacecraft in February 2020. Engineers and scientists spent nearly two years using InSight's robotic arm to help the mole dig before formally , Credit: NASA/JPL-Caltech
NASA engineer and scientist Troy Hudson shares the sad but ultimately inspiring story of a two-year attempt to dig deep beneath the surface of Mars.

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  • Added: Mar 10, 2021
  • Length: 28:50
  • Purchases: 10