An important achievement in the field of astronomy and astrophysics announced today by scientists: the “photographing” for the first time of the huge black hole located in the center of our own galaxy.
The milestone achievement was made possible by Event Horizon Telescope (EHT) and the announcement was made by simultaneous press conferences in several countries (USA, Germany, Chile, Japan, Mexico, South Korea, China, etc.) by the research teams of the large EIT consortium, in collaboration with the US National Science Foundation, the European Southern Observatory (ESO) and other scientific bodies.
The black hole at the center of our spiral galaxy, known as name Sagittarius A *, It is about 26,000 light-years from Earth, has a mass about 4 million times that of the Sun, and consumes a huge amount of material (dust, gas, and whole stars) that is attracted by its powerful gravitational pull.
Launched in 2012, the EIT is a “virtual” telescope, consisting of a global network of collaborating observatories that together have much greater potential, thus being able to directly observe a black hole or rather its immediate environment.
In 2019, ETH scientists had discovered the first “photo” of a black hole (essentially a hot ring of light around its dark center from which light can not “escape”) in the center of another galaxy, Messier 87 (M87) , at a distance of 54 million light years. This black hole is estimated to have a much larger mass, about 6.5 billion times larger than the Sun.
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