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A diagram showing a timeline of the formation of the Universe from the Big Bang 13.799 ± 0.021 billion years ago through the "Dark Ages", formation of the earliest galaxies and stars, and the dark-energy dominated era. Size is depicted by the vertical extent of the grid in this graphic, while chronological time follows the horizontal axis. Diagram: NASA/WMAP Science Team; edit: Ryan Kaldari Recently featured:
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from Wikipedia picture of the day feed http://ift.tt/2ePZjGI
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