April 22, 2013
Beginning of the Universe & Limit of Knowledge
Ethan Siegel, Starts with a Bang!
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.
TAGGED: Inflation Of Universe, Universe