But this supermassive black hole, as large as it is, could still fit within our solar system with plenty of room to spare. It's 24 billion miles across and contains the same mass as 6 1/2 billion suns. Ton 618, the largest ultramassive black hole, appears at the very end of the video, which, at 66 billion times the mass of the Sun, is. It measures 2 billion miles across, so it would stretch further than Uranus' orbit, and it has about the same mass as 660 million suns.Īnd the supermassive black hole at the center of Messier 87 is so huge that astronomers could see it from 55 million light-years away. They can fit multiple solar systems inside of them. The survey suggests that black holes may have been. So let's look at the supermassive black hole at the center of the Sombrero galaxy. A Hubble census of galaxies showed that supermassive black holes are commonly found in a galaxys center. We're finally getting to some of the largest black holes in the universe, and yet we haven't reached one that surpasses the size of our solar system. In some galaxies, there are even binary systems of supermassive black holes, see the OJ 287 system. Take the one at the center of our neighbor the Andromeda galaxy, which has a diameter of 516 million miles, larger than Jupiter's orbit, and contains enough mass to equal that of 140 million suns. A supermassive black hole (SMBH) is an extremely large black hole, on the order of hundreds of thousands to billions of solar masses ( M ), and is theorized to exist in the center of almost all massive galaxies. Now that may sound big, but Sagittarius A* is small compared to other supermassive black holes. That's roughly 168 Jupiters across, and inside is the same amount of mass as 4 million suns combined. It covers a region about 14.6 million miles in diameter. Stellar-mass black holes are typically in the range of 10 to 100 solar masses, while the supermassive black holes at the centers of galaxies can be millions. But these black holes are nothing compared to supermassive black holes, like Sagittarius A*, which lives at the center of our Milky Way galaxy.
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