Episode 10: Stellar Evolution

Ten episodes is a personal milestone! To celebrate, I'm talking about one of my favorite subjects in astronomy--stellar evolution. How are stars born? What happens when they die? What's a rock n' roll star? Come with me and take a ride on--and off--the main sequence! Notes from the show: Stellar evolution chart from the Chandra X-Ray Observatory: https://chandra.cfa.harvard.edu/graphics/resources/illustrations/stellar_ev_infograph.pdf Hertzsprung-Russell (HR) diagram: https://1.bp.blogspot.com/-N0V9Uzay1CI/V2-sOx15xRI/AAAAAAAAC0k/O0X9MVFvibYdEflSIZ7_PS5zhkU6Xl_HwCLcB/s1600/h-r-diagram.jpg Proxima Centauri: https://cdn.eso.org/images/screen/eso1629f.jpg https://science.nasa.gov/missions/hubble/hubbles-new-shot-of-proxima-centauri-our-nearest-neighbor Telescope used to discover TRAPPIST star system: https://science.nasa.gov/missions/hubble-space-telescope/promising-worlds-found-around-nearby-ultra-cool-dwarf-star/ Sun in different wavelengths (Nustar): https://www.nustar.caltech.edu/image/nustar141222b Solar and Heliospheric Observatory (SOHO): https://soho.nascom.nasa.gov/ Orion constellation: https://en.wikipedia.org/wiki/Rigel#/media/File:Orion_Head_to_Toe.jpg SN1987a: https://en.wikipedia.org/wiki/Rigel#/media/File:Orion_Head_to_Toe.jpg https://en.wikipedia.org/wiki/Sanduleak_-69_202 https://esahubble.org/images/potw1142a/ Before and after SN1987a: https://www.eso.org/public/images/eso0708b/ James Webb Space Telescope image of SN1987a: https://en.wikipedia.org/wiki/SN_1987A#/media/File:SN_1987A_(NIRCam_image)_(SN1987a-1).jpg The Simpsons, "Science has it all.": https://www.youtube.com/watch?v=YEDQqSiCfEo