What would happen if a black hole were to develop near earth?
Dude, that is impossible, in order for there to be a black hole near earth there has to be a star to be close enough and the star that is closest to earth is the sun and the sun would have to be billions of years old by that time the sun would increase its size more than a double which would kill us .of extreme temperature, then there has to be a big bang which will blow us up into dust. then more years would have to pass then we have our black hole that will suck our dust to a pressurized little ball of rock. but……