Quantum theory—the laws that govern how tiny particles work—says that anything that falls into a black hole is lost forever. But Einstein's general relativity says that's impossible: the total amount of stuff in the universe has to remain constant.
Your body stretches out, not uncomfortably at first, but over time, the stretching will become more severe. Astronomers call this spaghettification because the intense gravitational field pulls you into a long, thin piece of spaghetti. When you start feeling pain depends on the size of the black hole.
What happens to time if you fall into a black hole?
Near a black hole, the slowing of time is extreme. From the viewpoint of an observer outside the black hole, time stops. For example, an object falling into the hole would appear frozen in time at the edge of the hole.
What would happen if Earth fell into a black hole?
Ripped apart: The Earth would stand no chance if it encountered a rogue black hole; the cosmic black hole's tidal forces would easily rip the planet apart. Lost in space: Matter piles up in a superheated, rapidly spinning disc before plunging through the horizon of a black hole, never to reappear again.
Other studies have also suggested that the creation of a black hole can produce 'baby universes'. But, despite these theoretical oddities, none of these ideas has resulted in a testable prediction or any observable evidence. Hence, the question of whether we live inside a black hole can't yet be answered.
Would it be painful? Obviously, the laws of physics would prevent a human from surviving the spaghettification process. Exactly how painful it would be, and at what point they would die depends on the size of the black hole. while crossing over the event horizon.
By their calculations, quantum mechanics could feasibly turn the event horizon into a giant wall of fire and anything coming into contact would burn in an instant. In that sense, black holes lead nowhere because nothing could ever get inside.
Spaghettification: A black hole would stretch an astronaut's body into a thin ribbon, since the gravity pulling on their feet is so much stronger than on their head. One-way door: A black hole's event horizon is the “point of no return”. Nothing can escape from within, not even light.
For a black hole observer, one hour is equivalent to 100,000,000 years on Earth. In contrast to time distant from a black hole, time moves more slowly as you approach closer to one. (According to Einstein's theory, this effect is produced by any big body, including the Earth.
They are most certainly not hospitable and would make traveling into the black hole extremely dangerous. To enter one safely, you would need to find a supermassive black hole that is completely isolated and not feeding on surrounding material, gas and or even stars.
Black holes are regions in space where an enormous amount of mass is packed into a tiny volume. This creates a gravitational pull so strong that not even light can escape. They are created when giant stars collapse, and perhaps by other methods that are still unknown.
Ritz: No, there isn't something there that you could touch. Perhaps that is one of the hardest things to understand about black holes. Some people would say a black hole does have a surface, others would say it doesn't, and they'd both be right.
Stellar black holes are very cold: they have a temperature of nearly absolute zero – which is zero Kelvin, or −273.15 degrees Celsius. Supermassive black holes are even colder. But a black hole's event horizon is incredibly hot.
Basically, the first part of you would start to experience the really extreme gravity. Your body would basically start to be stretched like a, like a spaghetti, stretching to get into the black hole where we would never see you again. Once you're in, you're stuck and that becomes your universe…
The negative square root solution inside the horizon represents a white hole. A white hole is a black hole running backwards in time. Just as black holes swallow things irretrievably, so also do white holes spit them out. White holes cannot exist, since they violate the second law of thermodynamics.
Time does stop at the event horizon of a black hole, but only as seen by someone outside the black hole. This is because any physical signal will get infinitely redshifted at the event horizon, thus never reaching the outside observer. Someone falling into a black hole, however, would not see time stop.
No human has ever been inside of a black hole. Humans are not yet capable of interstellar travel. Even if a human was able to travel to a black hole, he or she would not be able to survive entering it. Black holes condense all the matter that falls into it into one point called a quantum singularity.
The fate of anyone falling into a black hole would be a painful “spaghettification,” an idea popularized by Stephen Hawking in his book “A Brief History of Time.” In spaghettification, the intense gravity of the black hole would pull you apart, separating your bones, muscles, sinews and even molecules.
The volume of neutrinos that would be coming from the cluster of stars near a black hole would be enough to radioactively heat up whatever they slam into. The planet would absorb neutrinos, warming up its core, eventually making the planet unbearably hot. It would be like living in a nuclear reactor.
The throat might be a straight stretch, but it could also wind around, taking a longer path than a more conventional route might require. Einstein's theory of general relativity mathematically predicts the existence of wormholes, but none have been discovered to date.
Fortunately, this has never happened to anyone — black holes are too far away to pull in any matter from our solar system. But scientists have observed black holes ripping stars apart, a process that releases a tremendous amount of energy.
The nearest known black hole is Gaia BH1, which was discovered in September 2022 by a team led by Kareem El-Badry. Gaia BH1 is 1,560 light-years away from Earth in the direction of the constellation Ophiuchus.
Spaghettification is not inevitable. Black holes of different masses will have different gradients, so with supermassive black holes it is perfectly possible to pass the event horizon with no ill-effect. Again, this is not to say that the gravitational pull isn't strong, just that the gradient isn't too extreme.
Objects only get spaghettified about 0.3sec before they hit the “singularity”. Curiously this time is independent of the size of the black hole. Inside a black hole the radial inward direction is the future time direction. So the object isn't necessarily moving at all.
