Where does cosmic background radiation comes from?
Layla AndersonIt is every where in the universe.
Cosmic background radiation, which was discovered by Penzias and Wilson after it was predicted by George Gammov, is the leftovers of a massive explosion that produced electromagnetic radiation and microwaves known as the Big Bang, from which the universe was formed. It is approximately 2.7 degrees K everywhere in the universe.
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Ivy AllenThe heat that remains after the Big Bang explosion, after the universe has cooled to about 2.7 Kelvin, is what we refer to as cosmic background radiation.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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