My guest today is Celeste Keith, a graduate student at the University of Chicago. Celeste and her team are searching for ways to detect the presence of primordial black holes, leftover from the Big Bang. Written by Fraser. Subscribe Free: https://universetoday.com/newsletter๐Ÿš€ OTHER PODCASTS:โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•Weekly Space Hangout: Weekly news roundup with Fraser, special guests, and other space journalists. RSS: https://www.universetoday.com/feed/wshaudio/iTunes: https://podcasts.apple.com/ca/podcast/weekly-space-hangout-audio/id836926769YouTube: https://www.youtube.com/channel/UC0-KklSGlCiJDwOPdR2EUcg/Astronomy Cast: Award-winning, long-running deep dive into space and astronomy with Fraser and Dr. Pamela Gay.