This is a new composite image which shows “fireworks” caused by a black hole in a nearby galaxy NGC 4258 (also known as M106). It features X-rays from Chandra (blue), radio waves from the VLA (purple), optical data from Hubble (yellow and blue), and infrared with Spitzer (red).
NGC 4258 is a spiral galaxy like the Milky Way, but it’s famous for something that our Galaxy doesn’t have – two extra spiral arms that glow in X-ray, optical, and radio light. These features, or anomalous arms, are not aligned with the plane of the galaxy, but instead intersect with it.
There has now been made a new study by Patrick Ogle, Lauranne Lanz and Philip Appleton from the California Institute of Technology which is explaining those spectacles. Radio shows that the supermassive black hole at the center of NGC 4258 is producing powerful jets of high-energy particles, and researchers think that these jets strike the disk of the galaxy and generate shock waves. (Full article here»)
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