Answers

2014-03-08T17:43:52+05:30
Balck whole is a blank space whole whose gravity can prevent anything to escape including light as well.

Einstein's general theory of relativity at the first gave us the picture of black whole.
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2014-03-08T18:51:17+05:30
A blackhole is a region of high gravitational force which prevent any thing from escaping.
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