But they have a built-in feeding-control mechanism.Called the Eddington limit, it kicks in when the massive amount of radiation spawned by the black hole matches the inflow of material.

• 可是，黑洞有一个内在的进食控制机制，这种机制叫做爱丁顿极限，当黑洞产生的大量辐射与流入的物质相匹配时，该机制就会介入。