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Distant galaxies confirm dark energy's existence and universe's flatness

from Scientific America

In the late 1990s, two teams of astronomers stunned the scientific community with the finding that the universe is accelerating in its expansion, somehow overpowering the constant pull of gravity that should be slowing it down. The culprit pressing the cosmic accelerator goes by the name "dark energy", which is an appropriately enigmatic moniker for something that remains so poorly understood. This result helped revive Einstein's "blunderous" concept of "cosmological constant", and the latest result by Marinoni and Buzzi might prove that Einstein's concept was not a blunder after all. more


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