Tags » Cosmic Microwave Background Radiation

Tegmark's Level I Multiverse: infinite space

I’ve just finished reading Max Tegmark’s latest book, ‘Our Mathematical Universe‘, about his views on multiverses and the ultimate nature of reality.  This is the first in a series of posts that I plan to do on it.   759 more words


xkcd: Cosmologist on a Tire Swing

A few years ago the “it’s senseless to ask what came before the big bang because there was no before” meme was hot.  I remember Stephen Hawking saying it in his documentary a year or two ago.   32 more words


The cosmological horizon problem answer, I think

Last week, I did a brief post asking if anyone knew why the horizon problem was a problem since the universe had started as an infinitesimally small point.   888 more words


Read -- 2014/03/22

Today’s selection of articles includes:

  1. Cosmic Inflation: ‘Spectacular’ Discovery Hailed“, by Jonathan Amos (BBC News). BICEP2 flexes its muscle in identifying B-mode polarization of cosmic microwave background radiation.
  2. 108 more words

Primers on detecting primordial gravity waves and cosmic inflation

First, Minute Physics takes a shot at explaining what the BICEP2 team actually found and how it relates to gravitational waves.  I think I’m going to have to watch this a second time to pick up everything. 17 more words


Astronomy Picture of the Day - Cosmic Microwave Map Swirls Indicate Inflation.

Explanation: Did the universe undergo an early epoch of extremely rapid expansion? Such an inflationary epoch has been postulated to explain several puzzling cosmic attributes such as why our universe looks similar in opposite directions. 146 more words

Astronomy Picture Of The Day

First Direct Evidence of Cosmic Inflation - SpaceRef

Wow!  There were lots of rumors about this over the weekend.  Turns out that, in this case, the rumors were spot on.

Almost 14 billion years ago, the universe we inhabit burst into existence in an extraordinary event that initiated the Big Bang.

98 more words