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Black holes are invisible infinitely small and dense, their gravity is so strong that no matter or even light can escape black holes!
It happens because of the remains of supernovas(the biggest explosion we have ever seen), when a star loses all its fuel in its core it will collapse to form a black hole the process of this is a supernova.
Black holes distort spacetime into an infinitely deep well (shown in the picture below). The mass is concentrated at a single point, called a singularity, and once it reaches the event horizon it is the point of no going back that all the matter swirls around it like a shrinking slinky!
After this point physics doesn't work well anymore.
There are two types of black holes: Stellar-mass black holes and Supermassive black holes.
If it has more than three times the mass of the Sun, it will likely collapse into Stellar-mass black holes.
On the other hand, Supermassive blackholes massive as in their name, are more than 100,000 times the mass of our own sun they are thought to lie at the center of most huge galaxies. We don't know much about supermassive blackholes only being they existed from the early days of the galaxy. (e.g. Andromeda galaxy or even our own galaxy, the Milky Way)
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#1 SAIKI KUSUO GLAZER 4EVA!!!!!
I'm not the best at explaining, but blackholes' pull are actually so strong that it bends light(refraction). Their accretion disk — the disk of light surrounding the blackhole, which is made due to objects spinning around it before it gets sucked into the sigularity — only orbits the blackhole in one direction like what we see with Saturn and its rings. Although, we can somehow see the far side of the accretion disk due to the light being refracted, both on the top and bottom of the singularity. No matter which side of the blackhole you are, you will always be able to see the far side of the accretion disk on the top and bottom of the blackhole.
i wonder if you could add images here, but i'll try anyway just to show what i'm talking about..
by #1 SAIKI KUSUO GLAZER 4EVA!!!!!; ; Report
nevermind..just search "black hole accretion disk bending" and look at the images with the arrows. there should be a better explanation there than mine..(⌒_⌒;)
by #1 SAIKI KUSUO GLAZER 4EVA!!!!!; ; Report
Sol
Do you think that once an object makes it past the singularity point it reaches a parallel universe in which it comes out of a white hole that essentially works in the opposite way a black hole does? Provided that if the matter on the side of the black hole is "m" it comes out or the value in a value of "-m".
*it comes out in a value of "-m". (Had a stroke writing this)
by Sol; ; Report
I personally do, although we haven't found evidence for its existence irl they were discovered mathematically instead.
by Wcuriouss; ; Report
That's been a huge theory for awhile, but no one really knows since no one ever came out of the blackhole alive, since obviously blackholes suck in things but never out. that theory of a phenomena is similar — if not the same — to wormholes. existance of wormholes are yet to be confirmed either for the same reason. wormholes are believed to be somesort of "portal" from one point of the universe to another.
by #1 SAIKI KUSUO GLAZER 4EVA!!!!!; ; Report