TIL in 1054, Chinese astronomers noted a bright "guest star" in Taurus that was visible in the daytime for 3 weeks, and didn't completely fade out for almost two years. The "guest star" was actually the supernova explosion that created the Crab Nebula, which is located some 6,500 light-years away.

https://www.youtube.com/watch?v=hcfapTWLPg4

https://www.marketwatch.com/story/google-ordered-not-to-stifle-its-employees-ability-to-speak-about-work-2019-09-12

Hy pick's