In the interior of stars, y-quanta are processed into quanta of visible radiation – photons. Is the reverse process possible in space

In the interior of stars, y-quanta are processed into quanta of visible radiation – photons. Is the reverse process possible in space – an increase in the frequency of a quantum of electromagnetic radiation?

The inverse process is Compton scattering of quanta by relativistic electrons. As a result, radio emission can turn into electromagnetic waves in the optical range.

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