11. Ryan MacDonald – Earth, Mars, then beyond. How do we know whats out there?

Ryan is a theoretical astrophysicist based at the Institute of Astronomy in Cambridge. His work involves examining the atmospheres of distant planets with the ultimate goal of finding signs of life. Obsessed with space exploration since he was a child, Ryan followed his dream of going to mars by enrolling in the Mars One mission selection process. He’s in the final 100 applicants. Ryan is an avid scientific communicator, regularly giving talks, appearing on the radio & TV and also runs a successful YouTube channel Martian Colonist You can find him on twitter @MartianColonist or visit his website https://distantworlds.space/ A Fascinate Productions podcast