You have been traveling throgh space and you notice Miller Orbiting Gargantua A very massive black hole and you notice it dosent have an acreation disk meaning it hasing devored a star in years It could be a supermassive black hole of a nearby galaxy you notice that it is HUGE in size It alone is about 100 million solar masses in size You notice Gargantua is about the same size as Phoenix A Black Hole Then you Finaly approached Gargantua