April 22, 2013

Beginning of the Universe & Limit of Knowledge

Ethan Siegel, Starts with a Bang!

AP Photo

So you finally understand it. The Big Bang tells us that the Universe was hotter, denser, and expanding at a faster rate in the past.

The farther back we go, the closer together everything was, the higher in temperature (and shorter in wavelength) all the radiation was, and — of course — the younger the Universe was.

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TAGGED: Inflation Of Universe, Universe