Stanford study backs Einstein's relativity theory
David Perlman, Chronicle Science Editor
Thursday, May 5, 2011
Stanford scientists announced Wednesday that they have confirmed two key predictions of Einstein's General Theory of Relativity, upholding the fundamental assumptions that guide today's physicists about the state of the universe.
Einstein's predictions are that the mass of all objects in space - from fleas to black holes - warps both space and time as they fall inward toward a more massive object.
And when an object spins in space and time, as Earth does, its very spinning drags both space and time along with it, the way a twirling apple inside a bowl of syrup would drag the syrup around it.
The conclusion that the revered German-born scientist was right means that today's concept of the Big Bang as the launchpad for an accelerating universe, with all its puzzling dark matter and dark energy, is also on the right cosmological track.
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