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Based on mass and increasingly precise radius limits, astronomers have concluded that Sagittarius A* must be the central supermassive black hole of the Milky Way galaxy. The current value of its mass is 4.297 ± 0.012 million solar masses.
12 de may. de 2022 · We finally have an image of the black hole at the heart of the Milky Way. The behemoth, Sagittarius A*, appears as a faint shadow surrounded by glowing material. The Event Horizon Telescope...
12 de may. de 2022 · Narrated by Caltech’s Katie Bouman, this video explains how she and her fellow teammates at the Event Horizon Telescope project managed to take a picture of Sagittarius A* (Sgr A*), a beastly black hole lying 27,000 light-years away at the heart of our Milky Way galaxy.
29 de ago. de 2013 · The center of the Milky Way galaxy, with the supermassive black hole Sagittarius A* (Sgr A*), located in the middle, is revealed in these images. As described in our press release, astronomers have used NASA’s Chandra X-ray Observatory to take a major step in understanding why material around Sgr A* is extraordinarily faint in X-rays.
12 de may. de 2022 · Radioastronomers have imaged the supermassive black hole at the centre of the Milky Way. It is only the second-ever direct image of a black hole, after the same team unveiled a historic...
12 de may. de 2022 · This is the gargantuan black hole that lives at the centre of our galaxy, pictured for the very first time. Known as Sagittarius A*, the object is a staggering four million times the mass of...
27 de oct. de 2021 · Heated gas swirls around the region of the Milky Way galaxy’s supermassive black hole, illuminated in near-infrared light captured by NASA’s Hubble Space Telescope. Released in 2009 to celebrate the International Year of Astronomy, this was the sharpest infrared image ever made of the galactic center region.
