Tag archives: black holes

New EHT Image of Sagittarius A*
By Joanne Calitri   |   June 7, 2022

Location: Earth. Star-date 75825.4 (May 12, 2022): the long suspected supermassive black hole named Sagittarius A* (Sgr A*) at the center of the Milky Way Galaxy is confirmed by the Event Horizon Telescope (EHT) team via millimeter-wave radio telescopes. Prior evidence and other phenomenon of Sgr A* was noted by astronomer Harlow Shapley in 1918, […]

Black Holes and Dark Matter News
By Joanne Calitri   |   April 18, 2019

On April 10, the Event Horizon Telescope (EHT) scientists historically released the first image of a black hole they have taken using observations of the center of the galaxy M87, a massive galaxy in the constellation of Virgo. This black hole is located 55 million light-years from Earth and has a mass 6.5-billion times larger […]