The Event Horizon Collaboration, the group behind the first image of this cavity, has just achieved another huge achievement – the image of Sagittarius A *, the entire cavity in the center of the Milky Way. This is a breakthrough in our understanding of our home galaxy’s astrophysics at its center.
The Event Horizon Telescope (EHT) is a worldwide consortium of radio telescopes. Combining the observations of these telescopes, the team can see hollows, areas of space-time that have such intense gravity that even light cannot escape. The image released today shows the shadow of Sagittarius A * (pronounced “Star A”) as well as the high-energy circle around it.
Collaborations of hundreds of scientists have specifically studied the structure of two supermassive cavities և the immediate environment: Messier 87 և Sagittarius A *. M87 is 54 million light-years from Earth in collaboration with 2019, a historical feat in astrophysics. Sagittarius A * is a 4 million-solar cell located in the center of our own Milky Way, just 27,000 light-years away, the subject of a study announced today.
The center of the Milky Way was first found 104 years ago; Just a decade later, radio waves from the core of the galaxy were discovered. կես It took half a century to identify Sagittarius A *. But today’s picture is a gravitational shift to confirm that Sagittarius A * is indeed a supermassive hole, as we thought, unlike some other bright radio source.
“Our conclusion indicates that Einstein’s theory is still holding strong… now we have the most compelling evidence to date that the supermassive compact object at the center of our galaxy is a black hole,” said Mariafelicia de Laurentis, an astrophysicist at University of Naples “Federico II” in Italy, during a press conference Thursday morning. “These environments offer us the unique opportunity to data-mine where and how Einstein’s theory breaks down, and if it does, it will transform our understanding of gravity and the properties of space and time.”
The EHT relies on a technique called Too long basic interferometry, which uses the time difference it takes for light to reach each telescope from a source to make accurate observations of those sources. The SD holes, such as the one in the center of the Milky Way, are very powerful sources of radio waves, making them fantastic targets for radio telescopes such as the EHT telescopes.
The gas spins around the cavity with ridiculous speed, making the subject a difficult subject in the image. “Getting this composite image was like getting a ‘clear picture of a child running at night,'” Jose L. told a news conference. Gomez is the head of the VLBI group and an astrophysicist at the Andalusian Institute.. “You can imagine how crazy it has been for us for so many years.”
We will update this article throughout the day. You can watch the EHT press conference live here:.
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