At what point of the sun's death will life on earth no longer be viable?
https://www.reddit.com/r/askscience/comments/1574lcw/at_what_point_of_the_suns_death_will_life_on/Earth Being Blasted by Solar Flare Today
https://weatherboy.com/earth-being-blasted-by-solar-flare-today/NASA officially touches the Sun — and solves a solar mystery
https://www.inverse.com/science/we-touched-the-sunSolar 'superstorm' could prompt 'internet apocalypse,' global outages
https://nypost.com/2021/09/22/solar-superstorm-could-prompt-internet-apocalypse-global-outages/