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13 Things that don't make sense....
And here I was worried about where my socks disappear to.
From New Scientist: 13 Things that don't make sense
Quote:
#2 The Horizon Problem
OUR universe appears to be unfathomably uniform. Look across space from one edge of the visible universe to the other, and you'll see that the microwave background radiation filling the cosmos is at the same temperature everywhere. That may not seem surprising until you consider that the two edges are nearly 28 billion light years apart and our universe is only 14 billion years old.
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- Taking it one step at a time.
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