The moon is shrinking, getting smaller and skinnier over the last 100 million years.
Scientists who track its size and the frequency of moonquakes, worry about what it might mean for future habitation.
Beyond the moon, we're talking about exoplanets and new research from Ohio State astronomers.
Guests:
Thomas Watters, Senior Scientist Emeritus, National Air and Space Museum's Center for Earth and Planetary Studies
Rick Pogge, Distinguished Professor of Astronomy, The Ohio State University
Ji Wang, Assistant Professor of Astronomy, The Ohio State University