First results describing the nature of dark energy (Update)

The genius of Albert Einstein, who added a "cosmological constant" to his equation for the expansion of the universe but later retracted it, may be vindicated by new research. The enigmatic dark energy that drives the accelerating expansion of the universe behaves just like Einstein's famed cosmological constant, according to the Supernova Legacy Survey. Their observations reveal that the dark energy behaves like Einstein's cosmological constant to a precision of 10 per cent.

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All News summaries for November 22, 2005