The most well-understood black holes are created when a massive star reaches the end of its life and implodes, collapsing in on itself.A black hole takes up zero space, but does have mass – originally, most of the mass that used to be a star. And black holes get “bigger” (technically, more massive) as they consume matter near them. The bigger they are, the larger a zone of “no return” they have, where anything entering their territory is irrevocably lost to the black hole. This point of no return is called the event horizon.Read more: Everything Worth Knowing About Black HolesEventually, by growing and consuming material – planets, stars, errant spaceships, other black holes – astronomers think they evolve into the supermassive black holes that they detect at the center of most major galaxies.But there’s a twist. Two twists, actually.First, it would take longer than the universe’s current age for black holes that started as dead stars to grow to…



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