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Dark Energy: Map Gives Clue About What It Is—but Deepens Dispute About the Cosmic Expansion Rate
Dark Energy: Map Gives Clue About What It Is—but Deepens Dispute About the Cosmic Expansion Rate . Dark energy is one of the greatest mysteries in science today. We know very little about it, other than it is invisible, it fills the whole universe, and it pushes galaxies away from each other. This i...