The mass of the biggest black holes is unimaginable.
Even a small black hole is extraordinarily dense and massive. If Earth was (hypothetically) crushed into a black hole, it would be under an inch across. Yet there are black holes in the universe bigger than our solar system, and bigger than the giant Andromeda galaxy.
The NASA video below, recently released by the agency's Goddard Space Flight Center Conceptual Image Lab, shows the gargantuan size and mass of these fascinating cosmic objects. The more mass an object has, the stronger its gravitational pull. Black holes are so massive that not even light can escape.
Read more: https://sea.mashable.com/science/23472/nasas-new-black-hole-video-is-jaw-dropping
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