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I found it difficult to understand what behind the story of black hole, I have did some research but have no sense what it meant. This question is really base on my curiosity, I want to learn and understand the meaning behind the black hole! Thank you!

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marked as duplicate by John Rennie, Community Oct 30 '15 at 8:23

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migrated from biology.stackexchange.com Oct 30 '15 at 8:20

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