(ORDO NEWS) — The hottest object in the Solar System is the Sun. But the temperature of its surface is 5,500 degrees Celsius, and it is not in any comparison with the temperature of the hottest place in the universe, reported by Live Science.
According to Daniel Palumbo from Harvard University (US), the hottest places in the universe are located near supermassive black holes. Such objects are located in the centers of many galaxies.
They have a huge mass, which exceeds the mass of the Sun by millions and billions of times, so they have simply incredible gravity. Thanks to this, everything that falls into the vicinity of such black holes begins to rotate around them in accretion disks.
All matter from this disk is absorbed by the black hole at a tremendous speed, but at the same time particles of matter collide with each other, and due to friction there is a significant increase in temperature, it can reach trillions of degrees Celsius. This temperature increases even more when the black hole ejects some matter into space in the form of a relativistic jet.
According to Palumbo, the hottest place in the universe right now is a quasar called 3C273, located 2.4 billion light years from Earth. A quasar is a very bright object created by some supermassive black holes and surrounding quasars.
The temperature at the center of this quasar is believed to be around 10 trillion degrees Celsius. But these data still need clarification.
On the other hand, according to Koushik Chatterjee of Harvard University, while he agrees with his colleague that black holes are the hottest places in space, there are other places that are just as hot.
The scientist believes that even for a short time, the hottest places in space will be wherever certain space disasters occur.
It is about the collision of two neutron stars that appear after the death of ordinary massive stars. During such a collision, matter heats up to a temperature of 800 billion degrees Celsius. The same temperature can occur when a small black hole collides with a neutron star.
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