SPACE WEEK: Every Moon, Ranked

Science writer Jennifer Leman did it. She ranked all 158 moons in our solar system. The criteria? Interviews with NASA scientists, astronomers, and her own moonpinions. She talks to host Maddie Sofia about some of her favorites. Here's her full list for Popular Mechanics. (Encore episode.) Email the show at [email protected] more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy