Awaiting “revolutionary” news about Sagittarius A, the supermassive black hole at the center of our galaxy

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The Event Horizon Telescope, the same one that stunned the world with the first image of a black hole in 2019, announced a new and important result

Black hole at the center of galaxy M87.
Black hole at the center of galaxy M87.EHT

Black holes are among the strangest and most fascinating objects in the universe, not by chance. Many of the keys to the evolution of the universe, the formation of galaxies, and the physical laws that govern matter may be hidden behind them. On Thursday afternoon, in addition, we’ll learn a new and “revolutionary” result about ‘our’ own black hole, the supermassive Sagittarius A, which lies at the center of our galaxy, the Milky Way.

This is advanced by the same scientific team that produced the first image of a black hole in 2019, Galaxy Messier 87. one located in the center of (M87), 55 million light years away. The presentation of the new results will take place through eight simultaneous press conferences around the world, including one starting at 2:30 pm (Spanish Peninsular Time) from the CSIC headquarters in Calle de Serrano, Madrid.

The result, which has already been defined as “historic” and “revolutionary”, although it is not yet known what it consists of, has been achieved thanks to the Event Horizon Telescope, the same one that discovered the black The first image obtained was Hole, which became the most important scientific event of 2019 for the magazine Science,

Sagittarius A, the black hole at which the new results will be presented, has an estimated mass of about four million Suns, and is 26,000 light-years away from us. If the Event Horizon Telescope had captured an image of it, There will be visual confirmation of its existenceWhich scientists already take for granted.

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In 2020, scientists Reinhard Genzel and Andrea Gage shared the Nobel Prize for Physics “for the discovery of a compact supermassive object at the center of our galaxy”. The objection is that, as far as we know, it could only be a black hole, Also it would be fantastic to be able to consider the real aspect of it.

“Black holes have acquired scientific importance because Allow us to remove important information“Jose LF Barban, a researcher at the IFT CSIC/UAM Institute of Theoretical Physics and author of the informative book Black Holes (CSIC, 2014), explained to EL Mundo a few weeks ago.

“for example, We now know that most galaxies have supermassive black holes at their centers, Then there’s the old chicken and egg question: Which comes first, the supergiant black hole or the galaxy? Was the black hole created by processes within the primitive galaxy or is it the other way around, the black hole was there and is the result of a black hole surrounding itself with galaxy material? Black holes are at the heart of questions such as the origin of galaxies,” explained Barban.

Spanish Partnership

A team of Spanish scientists has participated in the new discovery to be presented on Thursday, answering questions from journalists at the CSIC Headquarters. The program to be held in the Assembly Hall of CSIC Headquarters at 2:30 pm will be presided over by the President of CSIC. Rose Mendez, and will be presented by the Director of the Institute of Astrophysics of Andalusia (IAA-CSIC), antaxon alberdi,

Researchers will also be present in the program rocco lico, ilje cho, Guang-yao Zhao, Thalia Trinaus You Antonio Fuentesof IAA-CSIC; Ivan Mart Vidal, researcher at the University of Valencia; You Miguel Snatchez PortalDirector of the Institute of Millimeter Radio Astronomy, as stated by CSIC in its call to the press.

The Event Horizon Telescope (EHT) is actually A set of telescopes scattered around the planet and which carry out synchronous observations, thanks to which they serve as Earth-sized virtual telescopes with exceptionally high image resolution.

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