The National Geographic Channel’s “Mars” miniseries has begun. Mat Kaplan attended a kickoff for the ambitious docudrama last summer. You’ll hear from series technical advisor Bobby Braun, author of “The Martian” Andy Weir, Cosmos creator Ann Druyan and more.Learn more about your ad choices. Visit megaphone.fm/adchoices

See omnystudio.com/listener for privacy information.

See omnystudio.com/listener for privacy information.