It is an established scientific fact that most galaxies in the Universe have a supermassive black hole (SMBH) at their center, leading to what is known as an Active Galactic Nucleus (AGN). Also known as “quasars,” AGNs are notable for how they emit so much light and radiation that they temporarily outshine all of the stars in their disk. In 2019, scientists with the Event Horizon Telescope (EHT) collaboration produced the very first image of an SMBH, which resides at the center of the M87 galaxy. However, about a century before this historic accomplishment was made, an astronomer detected a powerful jet coming from the center of this very same galaxy.
The discovery was made by Heber Doust Curtis, an American astronomer who worked at the Lick Observatory in the late 19th and…more
Source www.universetoday.com
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