Tour of M84
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M84 is a massive elliptical galaxy located about 55 million light years from Earth in the Virgo Cluster. This composite image is made from X-rays from Chandra, which are colored blue, and radio emission from the Very Large Array that is seen as red. The interesting thing about this image is that astronomers can trace a number of bubbles generated by particles moving at nearly the speed of light. These particles are propelled by the supermassive black hole at the center of the galaxy in the form of a two-sided jet. By studying objects like M84, astronomers hope to better understand how black holes influence the environments that surround them.
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(Credit: (X-ray (NASA/CXC/MPE/A.Finoguenov et al.); Radio (NSF/NRAO/VLA/ESO/R.A.Laing et al); Optical (SDSS))

Simulation of Interaction of Black Hole
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Supercomputer simulations of the interaction of supermassive black holes with surrounding gas can explain how such "Russian dolls" are created. The simulations reveal the nested bubbles associated with the termination of the jet and their complex interaction with the surrounding gas, somewhat similar to the effervescent bubbles in a glass of champagne.
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(Credit: MPE)