Can any one explain me, what is twins paradox and how it is resolved

Can you give us an idea of what you think it is, and we will let you know if you are on the right track...

The "twins paradox" is actually not a paradox at all. See:

Twin paradox - Wikipedia, the free encyclopedia

Einstein's theory states that gravitational fields have the same effect as acceleration - consequently the "twins paradox" also applies if one of the twins enters the vicinity of a black hole.

This looked like homework to me, so I was trying to get the OP to give some idea that they had done some research on their own...

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Originally Posted by mmjdny

can any one explain me, what is twins paradox and how it is resolved

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Twins go in oppsit direction to each othe and comes back to earth.both having speed comp to speed of light. Since with respect to one other is moving his time shold run slow and must be yonger when they meet finally. This true for both but since both can't be yonger to each other hence the paradox...

Read the link that ebaines provided :)