Black hole Original credit: woodgie2 What am I looking at? This black hole that is warping spacetime on a duvet is just a black cat sleeping curled up. Black cats are famous for being hard to photograph, also called ‘void’ in some online groups. More optical illusions:Bird in the SkyApartment on fireA Starry Night SkyAmish Men using a TruckGhost CatHowling WolfPM HummingbirdGravel flower bed