The Star

By Arthur C. Clarke

https://sites.uni.edu/morgans/astro/course/TheStar.pdf

Discovered thanks to a tweet from Bynkii: https://twitter.com/bynkii/status/1520601326635433984
Was a quote tweet of https://twitter.com/bookishseawitch/status/1519692127801860096

Short story that will haunt people. Great story.