A group of hundreds of astronomers, Event Horizon Telescope – including Hugo Messiah of Portugal at the ALMA Observatory in Chile – the first image of a supermassive black hole known as Sagittarius A *, located in the center of the Milky Way27,000 light-years from Earth.
Scientists already had strong suspicions that it was a black hole because they were able to observe the stars orbiting something invisible for a long time. and compact in the middle of the galaxy where the solar system is located, and this image unveiled this Thursday is the first visual confirmation of this claim. Still, it is important to mention the image itself does not show a black hole because it is a celestial body from which light does not escape but the gas surrounding it.
“Until now, we didn’t have a direct picture to prove that this giant in the middle of our galaxy was a black hole. It shows a bright ring around the darkness and a sign of the shadow of a black hole, “Feryal Özel, an astrophysicist at the University of Arizona, told a news conference.
It was not until 2019 that the first image of a black hole was shown, in this case the galaxy Messier 87.more than 50 million light-years away, thanks to the Event Horizon telescope.