Two black holes on collision course that could shake the universe

In a discovery that sounds like science fiction, astronomers have identified a pair of supermassive black holes in a deadly spiral, poised to collide in what could be a universe-shaking event within the next century. Located in the heart of the distant galaxy Markarian 501, approximately 500 million light-years away, this cosmic duo was revealed through meticulous analysis of decades of radio telescope data.

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Shvatiti da je to zapravo drugi mlaz bilo je neverovatno. Za mene je to bilo kao: zar to tako funkcioniše? Bila sam zapanjena i preplavljena emocijama – i želela sam svima da kažem šta smo upravo otkrili.

What initially appeared to be a single, powerful jet of particles erupting from the galactic core—a common phenomenon—turned out to be two distinct jets. This led researchers to hypothesize the presence of two separate black holes, each possessing a mass between 100 million and one billion times that of our Sun. Dr. Silke Bricen from the Max Planck Institute for Radio Astronomy, lead author of the study published in the Monthly Notices of the Royal Astronomical Society, expressed her astonishment: "Realizing that it was actually a second jet was incredible. For me, it was like: is that how it works? I was stunned and overwhelmed with emotion – and I wanted to tell everyone what we had just discovered."

These colossal objects are locked in a tight orbit, circling each other roughly every 121 days. The distance between them is a mere 250–540 times the Earth-Sun distance, an incredibly small separation for entities of such immense mass. The alignment became so precise in June 2022 that the light from the second jet was bent by the gravitational pull of the first black hole, creating a phenomenon known as an "Einstein ring." This visual confirmation strongly supports the theory of a binary system. "The binary system model provides a consistent explanation," Bricen stated. "Since these jets are pointed towards us, the Einstein ring supports that scenario."

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Model binarnog sistema daje dosledno objašnjenje. Pošto su ovi mlazevi usmereni ka nama, Ajnštajnov prsten podržava taj scenario.

When these two behemoths finally merge, they are expected to unleash gravitational waves of unprecedented power, far exceeding those detected from stellar-mass black hole collisions by observatories like LIGO. "We expect one (merged) black hole to remain," Bricen added, expressing keen interest in observing the future evolution of this cosmic "dance." From a Serbian perspective, this discovery highlights the vastness and dynamic nature of the universe, reminding us of cosmic events far grander than anything on Earth. It underscores the power of scientific inquiry to unravel the universe's deepest mysteries, even from our relatively small corner of the cosmos.

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Očekujemo da će ostati jedna (spojena) crna rupa. Zaista me zanima kako će se ovaj ‘ples’ dalje odvijati.