Planetary People Live Q&A with Garry Hunt

Planetary People is a live Q&A series where Mat Kaplan explores and celebrates guests' entire careers, their favorite accomplishments or projects, and the factors that have driven them to make the contributions they have.

Our first guest is Professor Garry Hunt, a former NASA scientist who worked on the Viking mission to Mars, Voyager's Grand Tour of the outer planets and beyond, and was a co-host on BBC's The Sky at Night for over 20 years.