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Oscar del Barco Novillo, Profesor Ayudante Doctor. Departamento de Física Aplicada., Universidad de Zaragoza

How could we detect atom-sized primordial black holes?

Black Hole Albert Einstein Earth
Artist's rendition of a concentration of small black holes in the centre of the galaxy NGC 6397. ESA/Hubble, N. Bartmann., CC BY-SA

One of the most intriguing predictions of Einstein’s general theory of relativity is the existence of black holes: astronomical objects with gravitational fields so strong that not even light can escape them.

When a sufficiently massive star runs out of fuel, it explodes and the remaining core collapses, leading to the formation of a stellar black hole (ranging from 3 to 100 solar masses).

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