Brother Guy Consolmagno is director of the Vatican Observatory, appointed in this post in September, 2015 by Pope Francis. Previously he was curator of meteorites. His books include “Brother Astronomer: Adventures of a Vatican Scientist” and “Would You Baptize an Extraterrestrial?: and Other Questions from the Astronomers’ In-box at the Vatican Observatory.” Father George Coyne is the former director of the Vatican Observatory. His books include “Wayfarers in the Cosmos: The Human Quest for Meaning.” This interview is edited and produced with music and other features in the On Being episode “Guy Consolmagno and George Coyne — Asteroids, Stars, and the Love of God.” Find more at onbeing.org.