Sci-Tech

Scientists capture for the first time two black holes dancing together

2025-10-13   

An international research team published a study in the Astrophysical Journal on the 9th, stating that they have captured wireless images of two black holes orbiting each other for the first time. This achievement confirms the existence of a dual black hole system, whereas previously astronomers could only image a single black hole. A research team led by astronomers from the University of Turku, Finland, aimed at a quasar named OJ287 in the center of an exceptionally bright galaxy core and successfully captured precious images of two black holes orbiting each other. The brightness of OJ287 quasar is so high that even amateur astronomers can observe it with their private telescopes. More specifically, astronomers believe that there are two black holes at the center of this quasar, which orbit each other with a period of 12 years, forming a unique light variation pattern. Scientists have proposed the hypothesis of dual black hole orbits based on this. Over the following decades, hundreds of astronomers continued to observe and attempt to verify this theory. However, the resolution of traditional optical images is limited and they have never been able to distinguish between two black holes. To see the true appearance of this pair of black holes, it requires a resolution 100000 times higher than that of ordinary optical telescopes. This task was ultimately achieved with the help of a radio telescope array, including the Russian RadioAstron satellite. The research team compared the latest obtained shooting images with early theoretical predictions and was pleasantly surprised to find that the positions of the two black holes perfectly matched expectations, bringing a successful conclusion to this 40 year scientific exploration. The team stated that in the images, although the black holes themselves are not visible, they are visible through the high-energy particle streams they emit - like glowing ribbons dancing in the darkness, outlining the trajectory of the black holes. They also observed new particle streams ejected from small mass black holes and vividly compared them to a 'wagging tail'. (New Society)

Edit:Momo Responsible editor:Chen zhaozhao

Source:Science and Technology Daily

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