Stellar Classification 101: Types of Stars and the History of Their Classification - FreeSchool 101

  / freeschool​   - Help support more content like this! New from FreeSchool! FreeSchool 101 videos are for older viewers, with deeper information and more complex verbiage. In this video we explore the development of spectroscopy and stellar classification and various tools used in ii like the Harvard System and the Hertzsprung-Russell Diagram. Subscribe to FreeSchool:    / watchfreeschool   Visit us on Facebook:   / watchfreeschool   Or check out our website for more content: http://www.freeschoolpublishing.com