Our Island Universe Hitchhiking by Asteroid WMRA | By Shanil Virani Published October 12, 2017 at 6:22 PM EDT Facebook Twitter LinkedIn Email Listen • 3:07 Wikipedia Commons On this episode of Our Island Universe: What do we know about the origins of life on Earth?Shanil Virani, Director of the John C. WellsPlanetarium, Harrisonburg, VA.Follow on Twitter as shanilv