The Gravity Assist Podcast is hosted by NASA’s Director of Planetary Science, Jim Green, who each week talks to some of the greatest planetary scientists on the planet, giving a guided tour through the Solar System and beyond in the process. This week, he is joined by the “man about Mars,” Bruce Jakosky from the University of Colorado, who is the principal investigator of NASA’s MAVEN mission, and Michael Meyer, NASA’s lead Mars scientist.

For the full podcast and transcript, click here.