"To Turn Earth Into A Black Hole...": NASA Observatory Explains The 'Marble' Theory - NDTV

Since not even light can escape a black hole, people can't see them. It requires space telescopes with special tools to detect black holes.

A black hole can be formed by the death of a massive star. Black holes are mysterious objects, which have intrigued scientists and space enthusiasts for decades. Black holes are dreaded too, since t… [+2759 chars]

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