Template:POTD/2016-10-26

Picture of the day

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