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Take a fact-based journey through the cosmos. Tune in to hear weekly discussions on astronomical topics ranging from planets to cosmology. Hosted by Fraser Cain (Universe Today) and Dr. Pamela L. Gay (Planetary Science Institute), this show brings the questions of an avid astronomy lover direct to an astronomer. Together Fraser and Pamela explore what is known and being discovered about the universe around us. Astronomy Cast is supported thru patreon.com/AstronomyCast.
Ep. 664: The First Stars
Manage episode 352062507 series 2359444
Av Fraser Cain & Dr. Pamela L. Gay, Fraser Cain, and Dr. Pamela L. Gay upptäckt av Player FM och Player FMs grupp - upphovsrättigheterna ägs av publiceraren, inte Player FM. Ljudet streamas direkt från deras servrar. Tryck på Prenumerera knappen för att hålla koll på uppdateringar i Player FM, eller klistra in flödets webbadress i andra podcast appar.
The Sun is a third-generation star, polluted with metals from long-dead suns. Astronomers have also discovered second-generation stars, with very low metallicity. But theories suggest there must be a first generation, with stars made from only pure hydrogen and helium. Can we ever find them?
280 episoder
