TIL about SN 1006, a supernova in the year 1006 CE that was described by observers on multiple continents, some 600 years before the first telescope. It was visible in the daytime sky for weeks, and the gamma rays it emitted created a sedimentary record on Earth. We have images of its remnants.

https://en.wikipedia.org/wiki/SN_1006
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1gnko6l/til_about_sn_1006_a_supernova_in_the_year_1006_ce/