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So, is it possible that we will ever find out what's really inside a black hole?
The problem isn't that humanity would be gone, the problem is that if light can't emerge, there's no way for a person to emerge. So it's like the roach motel, you can check in but you can never check out. But the guy falling in might know what's inside before he dies, though there's no way he could tell anybody else, not even a million years later, not ever.
originally posted by: Sharted
Let's take what we "know" about black holes so far. They have immense gravity so it stands to reason that as objects get closer to it times slows down, a lot. Now suppose we have the technology to enter this black hole. The person enters it and emerges a week later or so, however, time for the rest of humanity could have been 1 million years.
originally posted by: TechniXcality
a reply to: crazyewok
Though I have disdain for all mentioned, surely they don't ALL have to be American. I'm sure some brave scientist such as ours named;from the U.K could join the ranks.
originally posted by: Isurrender73
a reply to: Sharted
This might be true, even from a mathematical standpoint. The 0 and infinity problem that arises within the black hole keeps us from being able to come to a mathematical conclusion. String theory may be able to solve the math, but we may never be able to prove string theory.
Here is a link to a laymen explanation on the math for us non physicists.
The leading approach to unifying quantum theory and general relativity is string theory. In string theory each elemental particle is composed of a single string and all strings are identical. The "stuff" of all matter and all forces is the same. Differences between the particles arise because their respective strings undergo different resonant vibrational patterns -- giving them unique fingerprints. Hence, what appear to be different elementary particles are actually different notes on a fundamental string. In string theory zero has been banished from the universe; there is no such thing as zero distance or zero time. Hence, all the infinity problems of quantum mechanics are solved. But, there is a price that we must pay to banish zero and infinity. The size of a typical string in string theory is the Planck length, i.e., about 10-33 centimeters. This is over a thousand trillion times smaller that what the most advanced particle detection equipment can observe. Are these unifying theories, that describe the centers of black holes and explain the singularity of the big bang, becoming so far removed from experiment that we will never be able to determine their correctness? The models of the universe that string theorists and cosmologists develop might be mathematically precise, beautiful and consistent and might appear to explain the nature of the universe -- and yet be utterly wrong. Scientific models/theories, philosophies, and religions will continue to exist and be refined. However, because of zero and infinity, we can never have "proof". All that science can know is that the cosmos was spawned from nothing, and will return to the nothing from whence it came.
Wikipedia explains what I'm talking about. The tidal forces at the event horizon of a 10 million solar mass black hole are the same tidal forces you're experiencing now on the Earth's surface, and you're not being spaghettified now, right?
originally posted by: Krazysh0t
a reply to: Arbitrageur
I'm pretty sure that spaghettification happens regardless of the size of the black hole. Going by how it works and that gravity increases exponentially, the closer you get to the black hole. Plus the fact that things don't fall directly into a black hole, they orbit them and are slowly ripped apart because the forces of gravity on one side of the object are greater than the forces holding the object together as well as the gravity on the far side of the object.
By the way, it's thought that the rings around Jupiter and the other gas giants were formed pretty much the same way. A small object gets caught into the gas giant's orbit, then the force of gravity from the planet slowly rips it apart.
the tidal forces in the vicinity of the event horizon are significantly weaker for massive black holes. As with density, the tidal force on a body at the event horizon is inversely proportional to the square of the mass: a person on the surface of the Earth and one at the event horizon of a 10 million solar mass black hole experience about the same tidal force between their head and feet. Unlike with stellar mass black holes, one would not experience significant tidal force until very deep into the black hole.