<p>Dr Paddack, one of the discoverers of the YORP effect, tells some funny stories from his time at NASA.</p>

10: Craters on the moon with Dr. Cohen

Hear stories about the alien moons orbiting our Sun, of cold stars, and the future of space exploration.  Every week, scientist Dr. Carrie Nugent chats about an amazing part of our universe with an expert guest. Spacepod is the podcast that gives you an inside look into space exploration. Learn more: http://listentospacepod.com