These enormous black holes are millions or even billions of times as massive as the sun but are about the same size in diameter. Such black holes are thought to lie at the center of pretty much every galaxy, including the Milky Way. Scientists aren't certain how such large black holes spawn.Most stellar black holes, however, are very difficult to detect. Judging from the number of stars large enough to produce such black holes, however, there are as many as ten million to a billion such black holes in the Milky Way alone.The gigantic black hole, not counting the giant rings of trapped light orbiting it, is about 23.6 billion miles (38 billion kilometers) across, according to Science News. Meanwhile, the Earth is just 7,917 miles in diameter meaning our planet wouldn't even be a drop in the bucket of the giant, black void. After just a few minutes more 21 to 22 minutes total the entire mass of the Earth would have collapsed into a black hole just 1.75 centimeters (0.69”) in diameter: the inevitable result of an Earth's mass worth of material collapsing into a black hole.

The gigantic black hole, not counting the giant rings of trapped light orbiting it, is about 23.6 billion miles across, according to Science News. Meanwhile, the Earth is just 7,917 miles in diameter meaning our planet wouldn't even be a drop in the bucket of the giant, black void. After just a few minutes more 21 to 22 minutes total the entire mass of the Earth would have collapsed into a black hole just 1.75 centimeters (0.69”) in diameter: the inevitable result of an Earth's mass worth of material collapsing into a black hole. The biggest single entity that scientists have identified in the universe is a super cluster of galaxies called the Hercules-Corona Borealis Great Wall. It's so wide that light takes about 10 billion years to move across the entire structure. These enormous black holes are millions or even billions of times as massive as the sun but are about the same size in diameter. Such black holes are thought to lie at the center of pretty much every galaxy, including the Milky Way. Scientists aren't certain how such large black holes spawn. Ultra massive Black Hole Discovered to Be 33 Billion Times More Massive Than The Sun. The bending of light as its path veers around a giant, invisible mass has revealed the presence of one of the biggest black holes yet detected in the Universe.

Astronomers have discovered the closest black hole to Earth, the first unambiguous detection of a dormant stellar-mass black hole in the Milky Way. Its close proximity to Earth, a mere 1,600 light-years away, offers an intriguing target of study to advance understanding of the evolution of binary systems. The gigantic black hole, not counting the giant rings of trapped light orbiting it, is about 23.6 billion miles (38 billion kilometers) across, according to Science News. Meanwhile, the Earth is just 7,917 miles in diameter meaning our planet wouldn't even be a drop in the bucket of the giant, black void. These enormous black holes are millions or even billions of times as massive as the sun but are about the same size in diameter. Such black holes are thought to lie at the center of pretty much every galaxy, including the Milky Way. This black hole bullet would generate a shockwave through Earth's mantle like a supersonic Mach cone. These seismic waves would reach all points on the Earth's surface. Even at the lowest mass possible for a primordial black hole it will produce the equivalent of a magnitude 4 earthquake. After just a few minutes more — 21 to 22 minutes total the entire mass of the Earth would have collapsed into a black hole just 1.75 centimeters (0.69”) in diameter: the inevitable result of an Earth's mass worth of material collapsing into a black hole. The only requirement is that its physical size is less than the Schwarzschild radius. For example, our Sun would become a black hole if its mass was contained within a sphere about 2.5 km across. Our Earth would need to be compressed to a size smaller than 1.77 cm across. A typical stellar-class of black hole has a mass between about 3 and 10 solar masses. Super massive black holes exist in the center of most galaxies, including our own Milky Way Galaxy. They are astonishingly heavy, with masses ranging from millions to billions of solar masses.