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Image of Sgr A* in the Milky Way above radio telescopes of the Atacama Large Array,. ESO/José Francisco Salgado (josefrancisco.org), EHT Collaboration The Milky Way above the Atacama Large Array, a network of radio telescopes in Chile that is part of the Earth-sized Event Horizon Telescope. The insert shows the donut-like image of the black hole Sgr A* at its location in the constellation of Sagittarius.