Topic: The Event Horizon of a Black Hole Is
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Answers to Common Questions
What is an event horizon in a black hole?
the event horizon is pretty much the point of no return... once something has entered it the gravitational pull of the black hole is so strong that nothing... not even light can escape it... that is why you cannot see a "black" "hole"... be... Read More »
Source: http://wiki.answers.com/Q/What_is_an_event_horizon_in_a_black_hol...
What is the inner event horizon in a black hole?
The event horizon is the point of no return in black holes. After passing the point, light and matter cannot escape the massive gravitational pull of the black hole. The matter or light will then disappear. Matter and light *can* pass black... Read More »
Source: http://wiki.answers.com/Q/What_is_the_inner_event_horizon_in_a_bl...
Why is the surface of a black hole referred to as the event horiz...
It is called the event horizon because that is the point where, to an outside observer, time stops completely and there is no return. Read More »
Source: http://wiki.answers.com/Q/Why_is_the_surface_of_a_black_hole_refe...
More Common Questions
Answers to Other Common Questions
At the event horizon, the escape velocity is equal to the speed of light. Nothing inside can ever cross the boundary, even light.
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Source: http://www.chacha.com/question/what-is-the-escape-velocity-at-the...
When a giant star collapses, there is a possibility that it could form a singularity, a single point in space with infinate mass, zero volume, and infinate gravity. We can't see Singularity because they are covered by a dark region called t...
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Source: http://wiki.answers.com/Q/How_do_you_know_what_happens_at_the_eve...
S_{BH} = frac{kA}{4ell_{mathrm{P}}^2} where k is Boltzmann's constant, and ell_{mathrm{P}}=sqrt{Ghbar / c^3} is the Planck length
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Source: http://www.chacha.com/question/what-is-the-mathematical-equation-...
Beyond the event horizon, nothing, not even light, can escape. So the event horizon acts as a kind of surface or skin MORE?
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Source: http://www.chacha.com/question/what-is-beyond-the-event-horizon-o...
The Schwartzchild radius.
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Source: http://wiki.answers.com/Q/What_is_the_radial_distance_to_the_even...
its called the "paxton pull" (well it should be. lord i'm bored. my name is paxton btw) :D
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Source: http://wiki.answers.com/Q/What_is_the_gravitational_pull_of_a_bla...
The trouble with the 12-second rule suggested by another answerer is that it doesn't take into account time dilation caused by the powerful gravitational field of the black hole. From the point of view of the outside observer, time doesn't ...
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Source: http://answers.yahoo.com/question/index?qid=20111024112452AAsYkLb
