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Planetary RadioJune 7, 2017

Spectacular Jupiter!

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On This Episode
Scott Bolton
Scott Bolton

Director, Space Science and Engineering Division, Southwest Research Institute

Have you seen its stunning image of Jupiter’s south pole? The Juno orbiter is surpassing expectations and delivering surprising science. Scott Bolton, the mission’s Principal Investigator, is back with a thrilling report. We’ve reached another key milestone along LightSail 2’s road to space. Planetary Society Digital Editor Jason Davis fills us in. Bill Nye gets from India to William Shatner in less than three minutes, and Bruce Betts escorts us across the night sky in What’s Up.

Jupiter's south pole from Juno

NASA / JPL-Caltech / SwRI / MSSS / Betsy Asher Hall / Gervasio Robles

Jupiter's south pole from Juno
This image shows Jupiter’s south pole, as seen by NASA’s Juno spacecraft from an altitude of 52,000 kilometers. The oval features are cyclones, up to 1000 kilometers in diameter. Multiple images taken with the JunoCam instrument on three separate orbits were combined to show all areas in daylight, enhanced color, and stereographic projection.

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Trivia Contest

This week's prizes are a Planetary Radio t-shirt, now available in both men’s and women’s styles, a 200-point astronomy account, and a Planetary Radio sticker.

This week's question:

What class or group of meteorites matches the average composition of samples returned from asteroid Itokawa by the Hayabusa mission?

To submit your answer:

Complete the contest entry form at or write to us at no later than Wednesday, June 14th at 8am Pacific Time. Be sure to include your name and mailing address.

Last week's question:

What star has the largest proper motion?


The answer will be revealed next week.

Question from the week before:

What is the name of the US mission that will slam a spacecraft into an asteroid in the 2020s as a kinetic impactor demonstration mission? It will be a test of our ability to change the path of a Near Earth Object.


DART, the Double Asteroid Redirection Test, is the US mission that will slam a spacecraft into an asteroid in the 2020s as a kinetic impactor demonstration mission.

Listen more: Planetary Society Projects, mission status, Planetary Radio, LightSail, Juno, Bill Nye, Jupiter

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