Astrophysicists Are Close to Proving the Existence of Primordial Black Holes
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2 Articles
Astrophysicists are close to proving the existence of primordial black holes
On November 12, 2025, a ripple passed through the fabric of spacetime and triggered alarms at three gravitational-wave observatories across two continents. The signal, catalogued as S251112cm, was unusual in a way that stopped astrophysicists cold: at least one of the objects that created it appeared to weigh less than the sun. No known stellar process produces a black hole that small. Stars that collapse into black holes leave remnants several …
An unusual event detected by gravitational wave observatories has opened the possibility of primordial black holes, objects formed in the first moments of the Universe.
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