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The Economic Times

National / The Economic Times

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The strange 2% rule: Why black holes suddenly switch on their powerful jets

A new study reveals black holes become predictable when feeding. Jets emerge when accretion rates fall to two percent of the Eddington limit. This threshold applies to black holes of vastly different sizes. Tidal disruption events offer a rare view of this process. Future observations may predict when these powerful jets will appear.

22 Sep 2026 1:24 am