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Two astronomers accidentally discovered Currently contains background radiation., which is evidence of universe expansion that supports the Big Bang theory. This is particularly strong evidence because its temperature is Currently contains not uniform.. By observing this today, we can see what the universe looked like Currently contains 13,700,000,000 years ago..
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Two astronomers accidentally discovered the cosmic microwave background radiation, which is evidence of universe expansion that supports the Big Bang theory. This is particularly strong evidence because its temperature is nearly uniform. By observing this today, we can see what the universe looked like about 13.7 billion years ago.
Note: The CMB was discovered by Arno Penzias and Robert Wilson in 1964. Its temperature is extremely uniform (to about 1 part in 100,000) but contains tiny anisotropies that seeded later structure; the radiation we see was emitted about 380,000 years after the Big Bang, which corresponds to roughly 13.7 billion years ago.
Note: The CMB was discovered by Arno Penzias and Robert Wilson in 1964. Its temperature is extremely uniform (to about 1 part in 100,000) but contains tiny anisotropies that seeded later structure; the radiation we see was emitted about 380,000 years after the Big Bang, which corresponds to roughly 13.7 billion years ago.
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