US EditionSpace: Stephen Hawking's Theory Confirmed – After over 50 Years
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Stephen Hawking set up a bold theory back in 1971. Now, after more than 50 years, researchers have finally succeeded in proving it.
In 1971, Stephen Hawking had published an intriguing theorem, also known as the second law of black hole mechanics: the total surface of a black hole cannot decrease, but can only increase or remain stable. Thus, if two black holes merge, the newly formed black hole will necessarily have a larger surface (while its mass will be smaller than the sum of the two). This phenomenon is known as Hawking's theorem. This theorem has just been confirmed b…
Since 2015, the gravitational wave detectors LIGO, Virgo and KAGRA regularly capture the distant echoes of black hole collisions. These signals test the validity of the fundamental theories that describe the gravity and structure of space-time. On January 14, 2025, an exceptional event, called GW250114, was recorded with unprecedented accuracy. This is the fusion of two stellar black holes, whose characteristics allowed to directly confront the …
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