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Little is known about black holes in the unknown universe, but it was discovered for the first time that the black hole closest to Earth is a round circle.

Researchers at home and abroad have succeeded in making observations through the gas cloud.



This is a report by Seo Dong-gyun, a reporter.



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A photograph that confirmed Einstein's theory of relativity.



This is the first black hole seen by humans.



A black hole in the galaxy M87, 55 million years away at the speed of light, made possible by radio telescopes that observe celestial bodies through radio waves instead of light.



[Lee Eui-gyeom / Researcher, Korea Astronomy and Space Science Institute: (If several units are combined) It is almost identical to observation made with a radio telescope that is almost the same as the radius of the Earth…

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However, the black hole in our galaxy, the closest to Earth, has been veiled until now.



It was covered by a cloud of gas, making it difficult to observe.



However, after five years of analysis with a foreign research team, the Korea Astronomy and Space Science Institute has successfully penetrated this cloud and photographed the periphery of the black hole.



The radio telescope has found a formula that can remove only the scattering of light caused by gas clouds from the signals observed around the black hole.



The research team found that this black hole was observed in a circular shape, and the gas revolved around it like Saturn's belt, and the axis of rotation was directed toward the Earth.



[Son Bong-won / Senior Researcher, Korea Astronomy Research Institute: (In the meantime) I didn't know if it was tilted or if the entire disk was visible.

In the future, there is an opportunity to significantly reduce several variables in the study of black holes at the center of our galaxy...

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As more precise observations like the M87 black hole image will be possible in the near future, this study is expected to be of great help in uncovering the secrets of our galaxy.



(Video coverage: Park Jin-ho, video editing: Lee So-young, video source: Korea Astronomy and Space Science Institute)