Scientists from the Event Horizon Telescope (EHT) facility revealed the first image of the black hole at the centre of the Milky Way.
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The image of Sagittarius A* (SgrA*) gave further support to the idea that the compact object at the centre of our galaxy is indeed a black hole, strengthening Einstein’s general theory of relativity.
In 2019, the Event Horizon Telescope facility, a collaboration of over 300 researchers, made history by releasing the first-ever image of a black hole, M87* — the black hole at the centre of a galaxy Messier 87, which is a supergiant elliptic galaxy.
The ring-shaped image of SgrA*, which looked a lot similar to the one of M87*, occupied 52 microarcseconds in the field of view, which is as big a span of our view as a doughnut on the moon.
The whole exercise was possible because of the enormous power of the Event Horizon Telescope, an ensemble of several telescopes around the world, which together were like a giant eye on the earth with a sight that is 3 million times sharper than the human eye.
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