The 2019 release of the first image of a black hole was hailed as a significant scientific achievement. But truth be told, it was a bit blurry - or, as one astrophysicist involved in the effort called it, a 'fuzzy orange donut.'
The image of the supermassive black hole in the galaxy M87 originally imaged by the Event Horizon Telescope collaboration in 2019 is seen on the left; and new image generated by the PRIMO algorithm using the same data set is seen on the right, in this combination handout picture. Medeiros et al. 2023/Handout via REUTERS
Hard to observe by their very nature, black holes are celestial entities exerting gravitational pull so strong no matter or light can escape. This supermassive black hole resides in a galaxy called Messier 87, or M87, about 54 million light-years from Earth. A light year is the distance light travels in a year, 5.9 trillion miles . This galaxy, with a mass 6.5 billion times that of our sun, is larger and more luminous than our Milky Way.
The M87 black hole image stems from data collected by seven radio telescopes at five locations on Earth that essentially create a planet-sized observational dish.
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