If the Universe Is Teeming with Aliens ... WHERE IS EVERYBODY?: Seventy-Five Solutions to the Fermi Paradox and the Problem of Extraterrestrial Life

by Stephen Webb

And then there’s the speculation that truly advanced civilizations might use time dilation effects around a black hole in order to survive into the indefinite future (whereas the less advanced civilizations survive only as long as their host star—humankind, for example, has at most only a couple of billion years before the Sun devours all life on Earth).

Wow