This artist's illustration shows an astrophysical jet emitted by an active supermassive black hole. When of these jets is aimed at Earth, we call it a blazar. Astrophysicists have found the first microblazar, a stellar mass black hole emitting with one jet aimed at Earth. It may be the source of the highest-energy particles in the galaxy. Image Credit: NASA/JPL-Caltech

Researchers have confirmed the existence of the first microblazar. Unlike blazars, which are extragalctic and powered by supermassive black holes, microblazars are inside the Milky Way, and are powered by stellar mass black holes. The microblazar may be the source for the most energetic particles in the galaxy.

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