Tag: dark energy
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Why is the Universe expanding if gravity is attractive?
Why is the Universe expanding, if gravity is a universally attractive force? Shouldn’t mutual attraction make everything collapse together, ending the cosmos in a horrible crunch of epic proportions, every living thing crying out in despair before being compressed into oblivion? (Should the writer rein in his metaphors?) Yes, any two particles of matter mutually…
Galileo's Pendulum 