Telescope spies tango between star, black hole; proves Einstein right
https://www.upi.com/Science_News/2020/04/16/Telescope-spies-tango-between-star-black-hole-proves-Einstein-right/3531587049905/?sl=2&fbclid=IwAR1Pg0bheBufedk-xFogP69p7Rmj-ImwL2ew5-shooqWoOCh59H4NHC2t_o Source Cited: www.upi.com Sign in to see full entry.