
How was the cosmic microwave background discovered?
Daniel and Kelly’s Extraordinary Universe
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What Happened in the Big Bang?
There's always a place where, 14 million years ago, almost a photon was created and has been flying towards us ever since. As time goes on, we're seeing these photons from further and further slices of that early plasma. It's sort of like incredible to imagine that you could see to day remnants of something that happened 14 billion years ago. Most of the stuff that happened a long time ago is gone. You can't see most of the dinosaurs that were on earth, just the very few that happened to get fossilised.
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