Professor of Geological Sciences, Brigham Young University
Back to the annual meeting of the AAS Division for Planetary Sciences this week, where Mat Kaplan visited with experts on worlds of ice including Titan and Pluto, with a side trip to the dunes of Iran. Emily Lakdawalla checks in from a planning session for the next camera that will land on Mars. Bill Nye considers the outlook for space exploration in the Trump administration. Our What’s Up segment travels to a moon of Saturn to find characters from the Lord of the Rings.