Saturday, March 10, 2012

How far is the event horizon from the black hole?

And if you were a hundred meters from the event horizon's "perimeter" wouldn't you still feel the gravitational pull, thus my question, to what extent are you affected by a black hole's gravitational field?How far is the event horizon from the black hole?
The event horizon distance depends on the black hole's mass and spin.

The more massive or the faster it spins, the farther the event horizon is from the singularity.



A black hole's gravitational field affects the environment just like any other form of the same mass.

The event horizon is not the end of the black hole's gravity, it is the point where the escape velocity is equal to the speed of light.

The gravitational field of a black hole extends further than the event horizon.



If the radius of the event horizon is 100 meters, and you were an additional 100 meters from that, you would feel 1/4 the gravity as at the event horizon (gravity varies as the square of the radius).How far is the event horizon from the black hole?
Both are outdated concepts, which even Hawking has conceded contravene the fundamental laws of physics. It is still possible to have an escape speed at the surface of a gravastar, or collapsar (massive neutron star) in excess of the speed of light, or even greater (it is a mathematical construct, with little bearing, in reality: a distinction, without a difference). For a more detailed explanation, see page 9, at http://www.ezy-build.net.nz/~tklaveniek and read in date order, like the blog it came from. "A brief history of time", and "The universe in a nutshell", by Pr. Stephen Hawking still have some valid descriptions of "spaghettification" due to differential gravitational acceleration, approaching the Schwarzchild radius, (in practice, an oblate spheroid) surrounding the singularity. A lot of the rest is just plain "fanciful". If it was a supermassive one, you may not even notice, but if small, you would be compressed and elongated, EXTREMELY, FATALLY!!!

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