Milky Way’s Black Hole Just Flared, Growing 75 Times as Bright for a Few Hours

Re:Milky Way’s Black Hole Just Flared, Growing 75 Times as B... by roywiggins on Wednesday August 14, 2019 @12:06AM (#20692644)

If you (somehow) keep accelerating in one direction, there are events you will never observe. It's called a Rindler horizon. Your world-line traces a hyperbola... which will always outpace photons from certain spacetime locations.