暗物质对宇宙的影响

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We know what 4% of the Universe is made of. But what about the rest?　　There was a time, not so long ago, when science seemed to understand how the universe worked. Everything – us, the Earth, the stars and even exotic-sounding supernovae – was made of atoms which were all created at time-zero: the Big Bang. In between the atoms was nothing, a void: quite literally, '*****'.　　But ...

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