In 2018, an automated sky survey found a sudden change in a galaxy 239 million light-years away. Known as 1ES 1927+654, the galaxy had brightened by a factor of 100 in visible light. Soon after its discovery, the Swift Observatory captured its glow in x-rays and ultraviolet. A search of archival observations of the region showed the galaxy actually started to brighten toward the end of 2017.
How a black hole might undergo magnetic reversal. Credit: NASA’s Goddard Space Flight Center/Jay Friedlander
BrianKoberlein Spectacular black hole
BrianKoberlein What does that mean in laymans terms..I find it extra ordinary....
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