NASA's NuSTAR telescope found evidence of cosmic fireworks and X-ray echoes coming from the Milky Way's supermassive black hole Sagittarius A*.

NASA telescope spots 'cosmic fireworks' and faint echos from the Milky Way's supermassive black hole

Source: space
Source Link: https://www.space.com/milky-way-supermassive-black-hole-flares-echoes