3 years ago

What has been happening to the cosmic microwave background radiation since the Big Bang?

Physics

1 answer:

kondor19780726 [428]3 years ago

6 0

Answer:

Explanation:

Cosmologists refer to a "surface of last scattering" when the CMB photons last hit matter; after that, the universe was too big. So when we map the CMB, we are looking back in time to 380,000 years after the Big Bang, just after the universe was opaque to radiation. But the CMB was first found by accident.

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What has been happening to the cosmic microwave background radiation since the Big Bang?​

What has been happening to the cosmic microwave background radiation since the Big Bang?