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Evolution of High Mass Stars

Join this channel to get access to perks:    / @jasonkendallastronomer   High-mass stars are the flashy parts of Stellar Evolution. We see the speedy and violent stellar nucleosynthesis that occurs inside their cores. These extremely rare supergiant stars live short lives and make a lot of stuff. High-mass stars evolve much more rapidly, and their endings are extraordinary. They are responsible for many of the elements that make up your body! This is part of my complete intro Astronomy class that I taught at Willam Paterson University and CUNY Hunter. Stellar Evolution: https://en.wikipedia.org/wiki/Stellar... Stellar nucleosynthesis: https://en.wikipedia.org/wiki/Stellar... Nucleosynthesis: https://en.wikipedia.org/wiki/Nucleos... Supergiant star: https://en.wikipedia.org/wiki/Supergi... Planetary Nebula: https://en.wikipedia.org/wiki/Planeta... Nuclear binding energy: https://en.wikipedia.org/wiki/Nuclear... Iron Peak: https://en.wikipedia.org/wiki/Iron_peak 0:00 Introduction 0:33 All stars are born, live and die 1:28 Life Cycles of Stars 2:54 Red Giants in the Sky 6:37 Betelgeuse is a Rare Star 7:30 Betelgeuse's Vital Stats 9:35 Betelgeuse's Portrait 14:47 The Sizes of Stars 15:27 The Proton-Proton Chain? 15:58 CNO Cycle is for Massive, Hotter stars... 19:47 No Party Lasts Forever... 22:47 No Helium Flash Photography Please 23:25 Blue Supergiant 25:00 Helium Core Exhaustion 27:23 Carbon Burning 29:58 Intermediate Mass Stars 31:21 High Mass Stars: Greater than 8 times Mo 32:42 Neon Burning 34:52 Oxygen Burning 36:31 Silicon Burning 39:12 The Iron Peak 40:47 The Ends of the Roads