Astrophysicist, former astronaut and NASA associate administrator John Grunsfeld on human exploration of space and the science we will do there.
Feb 25
Did an impact trigger cryovolcanism on Umbriel?
Could a single ancient impact have briefly transformed one of the Solar System’s darkest moons into a cryovolcanic world? When Voyager 2 flew past Uranus in 1986, it captured the only close-up images we have of Umbriel, a heavily cratered, charcoal-dark satellite long considered ... Show More
59m 57s
Feb 18
A new chapter at The Planetary Society: Jennifer Vaughn becomes CEO
This week on Planetary Radio, we mark a major leadership transition at The Planetary Society. Host Sarah Al-Ahmed sits down with Bill Nye, outgoing chief executive officer and newly appointed chief ambassador of The Planetary Society, and Jennifer Vaughn, incoming chief executive ... Show More
59m 59s
Jan 2022
The James Webb Space Telescope launches astronomy into a new era
After decades in the making, the James Webb Space Telescope (JWST) finally launched on 25 December 2021, ushering in a new era for astronomy. On Monday the $10bn mission reached its destination, the L2 Lagrange point 1.5 million kilometres from Earth, where it will remain in orbi ... Show More
46m 20s
Nov 2018
What is Astronomy, Even? with NASA's Paul Geithner
Paul Geithner is the Deputy Project Manager — Technical for the James Webb Space Telescope at NASA's Goddard Space Flight Center in Greenbelt, Maryland. Paul joins Jonathan to give him a crash course in what the electro-magnetic spectrum is, how space debris can effect space prog ... Show More
53m 21s