Thread: Astronomers discover black hole closer to Earth than any before
View Single Post
  #8  
Old 10-01-2021, 03:44 PM
Stonius's Avatar
Stonius (Markus)
Registered User

Stonius is offline 		 
Join Date: Mar 2015
Location: Melbourne
Posts: 1,495
I wonder what was happening in the sky in the year 901 CE. I'm assuming this must have been visible?
Reply With Quote