If this black hole replaces the sun, it will be big enough to swallow the entire solar system. ![]() It is said that galaxies are not held by gravity like the solar system, but by the effect of dark matter.Ĭygnus A is said to have a supermassive black hole with a mass of 2.5 billion times that of the Sun and a diameter of 14.7 billion km. The Sun makes up 99.86% of the total mass of the solar system, but supermassive black holes usually weigh about 0.001% of the total mass of galaxies. Supermassive black holes are located in the center of the galaxy, but they do not act like the Sun in our solar system. Supermassive black hole of one of the is to be present seat A * to have a, the supermassive black holes that exist in the seat A * to have but has a mass of 4 million times that of the sun, direct line is only the sun 17 It is double. Supermassive black holes are located in the center of almost every galaxy. The supermassive black hole created in this way is heavier than the Sun and reaches a size larger than the Earth. Quasi-star, which has grown to a mass several thousand times that of the Sun, is thought to have collapsed due to its own weight at the time of its formation, resulting in a supermassive black hole. ![]() Quasi-star is the size that makes the sun look like a grain of sand when placed side by side. I don't know if Quasi-Star actually existed, but it is said to explain the process by which supermassive black holes are created. ![]() To explain why the supermassive black hole has grown, we will use the largest celestial body, the Quasi-Star. Since the birth of the universe, there should have been no time to capture stars and grow so large, so it is believed that supermassive black holes were born by a different process than stellar black holes. Until some time, black holes were only found to have a mass of 'up to 150 times that of the Sun.' However, suddenly, a supermassive black hole with a huge size of 'millions of times the sun' can be found. The mass of black holes created by this coalescence is said to be 142 times that of the Sun. The gravitational wave event 'GW190521 ', which seems to have created one new big black hole, was observed in 2019. Two giant black holes merge in a galaxy 17 billion light-years away from Earth, emitting gravitational waves with more energy than all the stars in the Milky Way galaxy have generated in the last 4,400 years. In order for a black hole to grow large, it must capture many surrounding stars or combine with other black holes.īlack hole coalescence is very difficult to detect, but there are cases where it has been successfully detected. The M33 X-7 weighs only 15.65 times the Sun and is 92 km in diameter. This black hole continues to swallow nearby blue giants little by little, and the substance swirling around the black hole heats up due to friction, emitting light that is 500,000 times brighter than the sun. Of the known stellar black holes, the M33 X-7 has long been considered the largest. Its diameter is 24 times that of the Sun, 30 million km, and it is thought to orbit only 17.2 km wide. The second smallest stellar black hole is a black hole called a 'unicorn' that forms a binary star with the red giant 'V723'. The mass of the Sun is 1.989 × 10 ^ 30 kg, but the smallest known stellar black hole weighs about 2.7 times the Sun and is about 16 km in diameter. In today's universe, stellar black holes, a type of black hole, occur only when the most intense events, such as neutron star coalescence and supernova explosions, occur. The heavier the mass of the original object, the larger the black hole. Now let's move on to the black hole, which has certainly been confirmed to exist.īlack holes occur when a celestial body is sufficiently compressed and collapses under its own mass. The smallest possible black hole can reach such a small size that we humans have yet to observe. The smallest black hole that may exist weighs about 1 trillion kilograms and is smaller than a proton.Įven if it has the same mass as the earth, it is a little larger than a coin. If it does exist, it is probably the oldest in the universe and older than the atoms created after the Big Bang. We don't even know if the smallest class of black holes exists. So how do black holes grow and how big do they grow? The Largest Black Hole in the Universe -Size Comparison -YouTubeįrom the point of view of classical physics, black holes continue to swallow surrounding matter, and their mass increases infinitely. What are the smallest and largest black holes that human beings have observed so far, and how big they are? YouTube that posts a lot of science content YouTube that posts a lot of science content YouTube The channel Kurzgesagt explains. ![]() 21:00:00 How big is the largest black hole in the history of observation?Ī black hole that has such a strong gravity that even light cannot escape, and even direct observation is impossible.
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