Does anyone have a link to a detailed description of the cosmological horizon problem?

So, I'm trying to understand cosmic inflation a bit better, and I've concluded that I don't understand one of the chief itches that it scratches.  I know the standard explanation about regions of space being too far apart to have ever interacted, but I don't get why they couldn't have interacted when the universe was … Continue reading Does anyone have a link to a detailed description of the cosmological horizon problem?

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. In the first fleeting fraction of a second, the universe expanded exponentially, … Continue reading First Direct Evidence of Cosmic Inflation – SpaceRef