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All of the black holes we know for sure exist (those produced by supernovae) are predicted to dissolve so slowly that it would take thousands of years or perhap

All of the black holes we know for sure exist (those produced by supernovae) are predicted to dissolve so slowly that it would take thousands of years or perhaps even millions of years of observation to produce any data on Hawking radiation. If small black holes can actually form (which is currently just a theory) there may be some chance to observe and measure them dissolving. However, I believe this requires energies far higher than any particle collider we can expect to build in the next hundred years, so this avenue is also closed. So, perhaps "never" is a bit pessimistic, but not far off in human terms.

SkyBelow 5y ago
>All of the black holes we know for sure exist (those produced by supernovae) are predicted to dissolve so slowly that it would take thousands of years or perhaps even millions of years of observation to produce any data on Hawking radiation. Isn't there also an issue that the background temperature of space is still too high compared to the temperature of Hawking Radiation and thus blackholes are still growing, even in 'empty space', because the temperature is greater than what they would lose from Hawking radiation? And this temperature difference will continue for the foreseeable future, even on galactic time scales.