Favorite tweets January 21, 2017 at 07:50AM

How photons scatter around a black hole https://t.co/eDbZebmGfz http://pic.twitter.com/PSHmVCoKLw

— Kyle Hill (@Sci_Phile) January 20, 2017

via Twitter https://twitter.com/Sci_Phile

January 21, 2017 at 07:50AM