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I was wondering, what happens to matter after it gets sucked in to black hole? i mean, how deep is it anyways?

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just wonderin'

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  1. Black holes aren't deep per se the gravitational force just become progressively stronger.  I've not heard a better (More interesting) explanation of what happens than that given by Neil DeGrasse Tyson.

    He explains it as if you are falling in to the black hole, but human body can be replaced with any matter.  He makes it more interesting with a '1st person' perspective.

    Watch this video:

    http://video.google.com/videoplay?docid=...


  2. As matter is sucked into a black hole, it is spaghettified (explained above).  Eventually, it is ripped completely apart into individual atoms.  But when these atoms reach the rest of the matter in to black hole, at the singularity, they all rejoin again (the original object, of course, won't be recognizeable).  At the center, the atoms are pressed together so much, that electrons merge with protons to form neutrons.  Eventually it becomes all neutrons.  This is known as neutron-degenerate matter.  As this matter gets closer to the center, the gravity increases, and fueld by the pressure of more infalling matter, quark degeneracy is expected to occur.  In quark-degenerate matter, the binding energy of quarks is overcome by pressure and becomes a quark plasma.  The matter may pass through more degenerate phases, if there are more fundamental particles making up the quarks.  Eventually, gravity overcomes the Pauli Exclusion Principle, and the matter joins all the other matter in the infintely small space at the singularity.

  3. This is a king short/long way to say it.

    An object in any very strong gravitational field feels a tidal force stretching it in the direction of the object generating the gravitational field. This is because the inverse square law causes nearer parts of the stretched object to feel a stronger attraction than farther parts. Near black holes, the tidal force is expected to be strong enough to deform any object falling into it, even atoms or composite nucleons; this is called spaghettification.

    First, the object that is falling into the black hole splits in two. Then the two pieces each split themselves, rendering a total of four pieces. Then the four pieces split to form eight. This process of bifurcation continues up to and past the point in which the split-up pieces of the original object are at the order of magnitude of the constituents of atoms. At the end of the spaghettification process, the object is a string of elementary particles.

    An object in a gravitational field experiences a slowing down of time, called gravitational time dilation, relative to observers outside the field. The outside observer will see that physical processes in the object, including clocks, appear to run slowly.From the viewpoint of the falling object, nothing particularly special happens at the event horizon. In fact, there is no (local) way for him to find out whether he has passed the horizon or not. An infalling object takes a finite proper time (i.e. measured by its own clock) to fall past the event horizon. This in contrast with the infinite amount of time it takes for a distant observer to see the infalling object cross the horizon.

    The object reaches the singularity at the center within a finite amount of proper time, as measured by the falling object.The amount of proper time a faller experiences below the event horizon depends upon where they started from rest, with the maximum being for someone who starts from rest at the event horizon. As an infalling object approaches the singularity, tidal forces acting on it approach infinity. All components of the object, including atoms and subatomic particles, are torn away from each other before striking the singularity. At the singularity itself, effects are unknown; it is believed that a theory of quantum gravity is needed to accurately describe events near it.


  4. An object in any very strong gravitational field feels a tidal force stretching it in the direction of the object generating the gravitational field. This is because the inverse square law causes nearer parts of the stretched object to feel a stronger attraction than farther parts. Near black holes, the tidal force is expected to be strong enough to deform any object falling into it, even atoms or composite nucleons; this is called spaghettification.

    First, the object that is falling into the black hole splits in two. Then the two pieces each split themselves, rendering a total of four pieces. Then the four pieces split to form eight. This process of bifurcation continues up to and past the point in which the split-up pieces of the original object are at the order of magnitude of the constituents of atoms. At the end of the spaghettification process, the object is a string of elementary particles.

    An object in a gravitational field experiences a slowing down of time, called gravitational time dilation, relative to observers outside the field. The outside observer will see that physical processes in the object, including clocks, appear to run slowly.From the viewpoint of the falling object, nothing particularly special happens at the event horizon. In fact, there is no (local) way for him to find out whether he has passed the horizon or not. An infalling object takes a finite proper time (i.e. measured by its own clock) to fall past the event horizon. This in contrast with the infinite amount of time it takes for a distant observer to see the infalling object cross the horizon.

    The object reaches the singularity at the center within a finite amount of proper time, as measured by the falling object.The amount of proper time a faller experiences below the event horizon depends upon where they started from rest, with the maximum being for someone who starts from rest at the event horizon. As an infalling object approaches the singularity, tidal forces acting on it approach infinity. All components of the object, including atoms and subatomic particles, are torn away from each other before striking the singularity. At the singularity itself, effects are unknown; it is believed that a theory of quantum gravity is needed to accurately describe events near it.


  5. I think whatever falls into a black hole is compressed

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