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shared by Jonathan K on 05 Apr 13 - Cached

According to the general theory of relativity, a black hole is a region of space from which nothing, including light, can escape
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It is called "black" because it absorbs all the light that hits it, reflecting nothing, just like a perfect black body
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Despite its undetectable interior, a black hole
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ternatively, when gas falls into a stellar black hole from a companion star or nebula, the gas spirals inward, heating to very high temperatures and emitting large amounts of radiation that can be detected from earthbound and Earth-orbiting telescopes
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can be observed through its interaction with matter. A black hole can be inferred by tracking the movement of a group of stars that orbit a region in space. Al
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shared by Jonathan K on 04 Apr 13 - No Cached

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