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No, most black holes have no visible accretion, and of those that have all have variable emission, meaning variable accretion rates. Black holes are not consta
by SiempreViernes 7y ago
No, most black holes have no visible accretion, and of those that have all have variable emission, meaning variable accretion rates.
Black holes are not constantly growing.
- Retric 7y agoWe are not talking about rapid growth but... Hawking radiation for a 1 solar mass black hole represents less than 1 atom of material lost per billion years (~10^67 years vs ~10^57 atoms) They gain more than that even without a noticeable accretion disk inside our current galaxy. It’s only very very long time frames after black holes collect this material that they start losing mass on average.