A Giant Telescope and Remembering John Glenn

Space historian John Logsdon remembers American hero John Glenn. Planetary Society CEO Bill Nye was a big fan of the Friendship 7 astronaut—less so the new Star Wars movie. Then we get an update on the Giant Magellan Telescope from Patrick McCarthy. Emily Lakdawalla explains how a Martian breeze has made the Curiosity rover’s work more challenging. John Glenn is also the focus of this week’s space trivia contest. Related links are here http://www.planetary.org/multimedia/planetary-radio/show/2016/1212-gmt-john-glenn.html