How do masses distort space?

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Offline thedoc

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How do masses distort space?
« on: 14/07/2012 02:30:01 »
Mohit Khas asked the Naked Scientists:
   
How is space distorted near huge masses like the Sun?  I'm lookin for a theoritical explanation...

What do you think?
« Last Edit: 14/07/2012 02:30:01 by _system »

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Offline Pmb

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Re: How do masses distort space?
« Reply #1 on: 14/07/2012 12:39:26 »
A spherical body such as the sun does two things: curves 4d spacetime by generatng tidal forces and (2) radially contracts 3-space around it. Buy radialy I mean that it alters disances along the radius r. We know how it does it, but we just don't know why it does it.