Why are there no Purple Stars? or Green Stars?

There are red, orange, yellow, blue, and even white stars, but no green or purple stars. The reason comes down to chromaticity and the optics of black body sources. Brilliant for 20% off: http://brilliant.org/ScienceAsylum ________________________________ VIDEO ANNOTATIONS/CARDS How Do We Know Things About Stars?    • Basics of Hertzsprung-Russell (HR) Diagrams   The Color White Does NOT Exist:    • The Color White Does NOT Exist   ________________________________ RELATED YOUTUBE VIDEOS MinutePhysics on Chromaticity:    • Why Isn't The Sky Purple?   SciShow Psych on Color Perception:    • Are Colors Real?   ________________________________ SUPPORT THE SCIENCE ASYLUM Patreon:   / scienceasylum   Advanced Theoretical Physics (Paperback): http://www.lulu.com/shop/nick-lucid/a... Advanced Theoretical Physics (eBook): https://gumroad.com/l/ubSc Merchandise: https://www.scienceasylum.com ________________________________ HUGE THANK YOU TO THESE PATRONS Warden of the Asylum: YDT Asylum Counselors: Matthew O'Connor Asylum Orderlies: William Morton, Fabio Manzini Einsteinium Crazies: Albert B. Cannon, Wacky, Eoin O'Sullivan, Ken Davis, LT MarshMan, Ilya Yashin Plutonium Crazies: Al Davis, Kevin MacLean, Randall Sylvia Platinum Crazies: Mikayla Eckel Cifrese, Stephen Blinn, Vittorio Monaco, Felipe Cruz, Eugene Boone, Rick Dinning, Mr. Orn Jonasar, Jon Adams, Kyle Bowles, Jonathan Reel ________________________________ OTHER SOURCES http://hyperphysics.phy-astr.gsu.edu/... https://www.aanda.org/articles/aa/pdf... https://www.universetoday.com/102630/... Chromaticity Graph Generator: https://code.google.com/archive/p/jtc... ________________________________ LINKS TO COMMENTS    • How Does Rayleigh Scattering ACTUALLY Work...