https://en.wikipedia.org/wiki/Emily_Levesque
https://www.emlevesque.com/
https://astro.washington.edu/people/emily-levesque
https://en.wikipedia.org/wiki/Red_supergiant
LBVs = Luminous blue variable
https://en.wikipedia.org/wiki/Thorne%E2%80%93%C5%BBytkow_object
Very enjoyable and interesting book.