Where does cosmic background microwave radiation originate?
Cosmic back ground radiation is the remnant of the big bang from which universe was born about 13.8 billion years back.
Following the Big Bang, the universe expanded and cooled to 2.7 degrees Kelvin. At this specific temperature, cosmic background microwave radiation is now present throughout the universe.
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The cosmic microwave background (CMB) radiation, which is the leftover heat from the Big Bang, is the source of cosmic background microwave 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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