Dead Stars Don’t Radiate

Three guys claim that any heavy chunk of matter emits Hawking radiation, even if it’s not a black hole:

• Michael F. Wondrak, Walter D. van Suijlekom and Heino Falcke, Gravitational pair production and black hole evaporation, Phys. Rev. Lett. 130 (2023), 221502.

Now they’re getting more publicity by claiming this means that the universe will fizzle out sooner than we expected. They’re claiming, for example, that a dead, cold star will emit Hawking radiation, and thus slowly lose mass and event...