Black holes may exist in gravitationally bound pairs, scientists say
NEW YORK, BRONX (ORDO News) — Recent research by scientists from the University of Southampton, carried out together with colleagues from Cambridge and Barcelona, has led to an unusual theory: black holes can exist in pairs, which contradicts traditional ideas about them.
Conventional theories, based on Albert Einstein’s theory of general relativity, state that black holes eventually collide with each other. However, a new study published in the journal Physical Review Letters upends this view.
Scientists believe that pairs of black holes can be kept in balance by cosmic force. This idea is based on the fact that massive astronomical objects, such as black holes, have such a strong gravitational pull that not even light can escape their grasp.
One from the University of Southampton explained: “Black holes are massive astronomical objects that have such a strong gravitational pull that nothing, not even light, can escape. They are incredibly dense, and one black hole could fit the mass of the Earth into a space the size of a pea.”
The researchers carried out complex calculations that showed that two static, non-rotating black holes could exist in equilibrium due to expansion associated with the cosmological constant. Even as the Universe continues to expand, black holes remain locked at a fixed distance from each other.
Professor Oscar Diaz from the university noted: “When viewed from afar, a pair of black holes whose gravity is offset by cosmic expansion will appear as one black hole. It may be difficult to determine whether it is a single black hole or a pair of them.”
The results of this study also provide an opportunity to apply the theory to rotating black holes and even to groups of three or four black holes.
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