A happy coincidence and a theory first put forward by Albert Einstein over 100 years ago helped scientists detect faint radiation around a distant supermassive black hole.

Warped spacetime with surprise 'double-zoom' reveals radiation around distant supermassive black hole

Source: space
Source Link: https://www.space.com/astronomy/warped-spacetime-with-double-zoom-reveals-radiation-around-distant-supermassive-black-hole