The strangest black holes in universe
What are the black holes? Do they really exist? Often we have found ourselves saying, “My desk has become a black hole.” They have always been the center of research astronomers. These cosmic objects, in fact, have captured our imagination since they were laid down by Einstein in his theory of general relativity in 1915.
When a star dies, the nuclear fusion is extinguished. At the same time, the gravity of the star attracts active material and compresses the core. This, in turn, heats and then creates a supernova, in which the material radiates strong radiation in space. What remains is highly compressed and extremely solid. The severity of the core is so strong that even light cannot escape. This object is now a black hole and literally disappears from view.
The largest black holes
Black holes, each galaxy possess at least one. Among these, NGC 3842, one of the brightest galaxies, hosts a central black hole containing 9.7 billion solar masses. This acts as a rival to another great cosmic object hosted in the galaxy NGC 4889. Both are 2,500 times more massive than the one hosted by our Milky Way.
The smallest black hole
And after the older ones, here is the smallest in size. Less than the mass of the Sun at least 3 times, this small object is called IGR J17091-3624. However, its speed is very high, considering that approaches 32 million km/h. A speed comparable to that of a stellar hole whose mass is greater than 10 times.
Black holes cannibals
Stellar holes devour whatever comes within range. And, of course, they devour between themselves. The recent discovery, in fact, is a huge black hole that has literally absorbed another smaller object than its own. A unique discovery, made with the Chandra X-ray Observatory NASA. This cosmic “lunch” took place at the center of the galaxy NGC3393, in which there was a black hole about 30 million times the mass of the Sun and other similar items of at least 1 million times the mass of our star.
Black hole bullet
And if the black holes absorb matter, the opposite is also true. According to researchers, in fact, these cosmic objects would be also able to throw it out of them. For example, the black hole H1743-322, 5 to 10 times the mass of the Sun and about 28,000 years light from the Earth, it seems to have ejected a star and some real “bullets”.
The oldest black hole
The oldest black hole is known as J1120 ULAS 0641. Its date of birth seems to date back to about 770 million years after the Big Bang, while the latter occurred 13.7 billion years ago. However, precisely this age seems to elicit some puzzles. One for all, how did this black hole managed to be generated after the evolution of the Universe?
The brighter black hole
Like quasars, the most luminous objects, the most powerful and energy of the universe, even the supermassive black holes can emit a large amount of energy. 3C 273 is the brightest, about 3 billion light years away.