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    I know a little bit about the singularity. It's a point which has extremely huge mass. And it doesn't obey any law in Physics. That point effects on the BigBang's theory. So, could anyone tel me more details about that point?
    Thank you
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    (Original post by VCVT17)
    :rolleyes:
    I know a little bit about the singularity. It's a point which has extremely huge mass. And it doesn't obey any law in Physics. That point effects on the BigBang's theory. So, could anyone tel me more details about that point?
    Thank you

    A singularity is a point with infinite density and zero volume. General relativity says that space is curved and the greater the mass the more curved it is. So basically a singularity is formed when a star greater than a critical mass explodes. It will collapse under the weight of its own gravity so its volume will shrink until it has zero volume. This is a black hole and the point itself is a singularity. It is said that at a singularity space & time swap over. However, it is hypothesised that there is no such thing as a naked singularity. ie, they are all hidden in black holes. So basically a singularity is the warping of space-time.

    The big bang is a black hole in reverse supposedly. So it too started at a singularity. Ie mass came from zero volume. It is possible to remove these singularities with the no boundary condition, which is like a sphere. The start of the universe is the north pole, the end is the south pole and so the universe expands and contracts. This means that there is no beginning and end of the universe per se as a globe has no singularity - or no boundary. However, this condition requires the use of imaginary time. I hope this helps, If you want to find out more read "A Brief History of Time", it is quite accessible to all.
 
 
 

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