Known as Sgr A* – pronounced “Sagittarius A star” – the supermassive black hole is four million times the mass of the sun and is known to exhibit flares that can be observed in multiple wavelengths, ...
Collaboration published the first image of a black hole, of M87* from the center of the galaxy M87. The measurement data on which the image was based was obtained in 2017. The EHT Collaboration has ...
It may have been the first black hole imaged by humanity ... year analysis using an improved and expanded set of computer simulations. "The 2018 observations, in conjunction with 2017 data ...
Sgr A*'s presence creates a wild, turbulent region of space, with a huge torus of dust roiling around the supermassive black hole. Astronomers don't know what causes the flares in the region, but ...