There's also the Unruh effect, where being in a gravity well causes radiation https://en.wikipedia.org/wiki/Unruh_effect https://en.wikipedia.org/wiki/Unruh_eff

There's also the Unruh effect, where being in a gravity well causes radiation https://en.wikipedia.org/wiki/Unruh_effect https://en.wikipedia.org/wiki/Unruh_effect (I don't know if this is relevant at all! Just an interesting tangent)