Why Is the First-Ever Black Hole Picture an Orange Ring?

How Scientists Showed Us the Unseeable - John Templeton Foundation

First Ever Photo of Sagittarius A* - Scientists Confirm the Milky Way's Black Hole

The black hole Pōwehi and the Mathematics - Puissance & Raison

First ever black hole image released: BBC

First ever black hole to be pictured shown in new image

M87* One Year Later: Proof of a persistent black hole shadow

New Data, Same Great Appearance for M87*

Why does the circle of light we see on the M87 black hole photo appear to be yellow/orange, rather than blue or green? - Quora

Space: the final frontier 2016-April 2021