Timeline
Keith Cooper - The Milky Way's black hole is shaping spacetime into a football:
https://www.space.com/milky-way-black-hole-shaping-spacetime-football-super-bowl
#SagittariusA #Sagittarius #BlackHole #GeneralRelativity #Relativity #LenseThirring #FrameDragging #WarpedSpacetime #FermiBubble #Astrophysics #Astronomy