Conversation

J. Robert Oppenheimer & his student Hartland Snyder publish the Oppenheimer–Snyder model ("On Continued Gravitational Contraction"), proving for the 1st time in contemporary physics how black holes could develop #OTD in 1939.

They showed when a sufficiently massive star runs out of thermonuclear fuel, it will undergo continued gravitational contraction and become separated from the rest of the universe by a boundary called the event horizon, which not even light can escape.

#science #physics