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What core produces sunlight?

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Anonymous

10y ago
Updated: 4/8/2020

The core of the sun does not produce any sunlight, the surface of the sun does.

Photons are produced in the core as gamma rays at a temperature of about 15 million Kelvin, being absorbed and reemitted repeatedly by atoms, cooling along the way, take from 10,000 years to 170,000 years to reach the surface as visible light at a temperature of about 4000 Kelvin to 6000 Kelvin. As the reemitted photon is usually not the same energy as the one absorbed by the atom (usually lower energy and thus cooler), it is reasonable to assume it is actually a different photon (although being bosons photons are all identical and indistinguishable).

Once emitted on the surface of the sun photons that arrive on earth as sunlight take only 8 minutes to complete this final trip.

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10y ago

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