These atomic-sized black holes were formed in the first moments of the Big Bang and may even comprise the totality of the dark matter of the universe. While the biggest black holes have been already detected and even photographed, there is now also feasible evidence – as I show in my recent study – for tiny black holes the size of potassium atoms (with a radius of about 0.23 nanometers, equivalent to 0.23 billionth of a meter). How would our ancestors have reacted, then, to the existence in the universe of objects – so-called black holes – capable of swallowing everything that fell into them, including light? And during the battle of Simancas (Valladolid, Spain) between the troops of León Ramiro II and the Caliph Ad al-Rahman in 939, a total solar eclipse caused panic among the troops on both sides, delaying the battle for several days. The fall of the Saxon king Harold II in 1066, during the Norman invasion of William the Conqueror, was attributed to the bad omen from the passage of a comet (later baptized as “Halley”). Although the study of astronomy has been a constant in all civilizations, astronomical events of a more “unpredictable” nature, such as comets or eclipses, were considered an “omen of misfortune” and/or “actions of the gods.” Since the earliest times, human beings have wanted to explain the most unpredictable and disturbing phenomena in the universe. Artistic interpretation of a primordial black hole formed in the first moments of the Big Bang.
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