Planetary Radio • Apr 22, 2026
Project Hail Mary hits the big screen
On This Episode
Mat Kaplan
Senior Communications Adviser and former Host of Planetary Radio for The Planetary Society
Andy Weir
Author of The Martian and Project Hail Mary
Alexandra Witze
Correspondent, Nature
Nahum Arav
Professor of Physics, Virginia Tech
Bruce Betts
Chief Scientist / LightSail Program Manager for The Planetary Society
Sarah Al-Ahmed
Planetary Radio Host and Producer for The Planetary Society
“Project Hail Mary” is finally in theaters, and the science is just as thrilling as the story. This week on Planetary Radio, Sarah Al-Ahmed and senior communications adviser Mat Kaplan share their first reactions fresh from the theater. Author and producer Andy Weir tells us in his own words what the story is really about, in a flashback conversation with Mat. Award-winning Nature correspondent Alexandra Witze takes a critical scientific eye to the film. Virginia Tech astrophysicist Nahum Arav walks us through the real-life fate of our Sun. And in What's Up, Bruce Betts joins us to explore just how long it would actually take humanity to reach Tau Ceti at the fastest speed a spacecraft has ever traveled.
Live Q&A with "Project Hail Mary" author Andy Weir Mat Kaplan interviews Andy Weir about "Project Hail Mary" for The Planetary Society's first Book Club LIVE virtual event.
Related Links
- Project Hail Mary | Sony Pictures United Kingdom
- Project Hail Mary film builds dazzling new worlds — and grounds them in science
- The Science Behind ‘Project Hail Mary’
- ‘Project Hail Mary’ raises prospect of death of our sun, astrophysicist elaborates | Virginia Tech News
- Book Club Edition: Andy Weir and Project Hail Mary
- One Last Blast: Author of 'The Martian' Andy Weir with JPL Chief Engineer Rob Manning
- Author Andy Weir and Project Hail Mary
- Chris McKay, Larry Niven and Andy Weir at the Contact Conference
- Andy Weir’s New Novel Puts a City on the Moon
- A Conversation with Andy Weir of “The Martian”
- Planetfest ’21: To Mars and Back Again
- Buy a Planetary Radio T-Shirt
- The Planetary Society shop
- The Night Sky
- The Downlink


