Podcast:StarTalk Radio Published On: Fri Jan 27 2017 Description: It’s time for another episode of Cosmic Queries! Neil deGrasse Tyson welcomes first time comic co-host Godfrey to ask fan-submitted questions about photons and tachyons; Einstein, black holes and multiple universes; comets, aliens, and so much more.NOTE: StarTalk All-Access subscribers can watch or listen to this entire episode commercial-free. Find out more at https://www.startalkradio.net/startalk-all-access/ Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to new episodes ad-free and a whole week early.