Astronomers Spot a Supermassive Black Hole Bouncing Jets Across its Galaxy

D-brief
By Alison Klesman
Feb 19, 2019 10:00 PMMay 21, 2019 4:04 PM
This composite image shows Cygnus A in X-rays (blue), radio waves (red), and opitical light (yellow). The two jets from the galaxy's supermassive black hole generate hotspots, located about 300,000 light-years from its center. (Credit: NASA/CXC/SAO)
This composite image shows Cygnus A in X-rays (blue), radio waves (red), and opitical light (yellow). The two jets from the galaxy's supermassive black hole generate hotspots, which are located about 300,000 light-years from the galaxy's center. (Credit:NASA/CXC/SAO)

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Supermassive black holes lurk in the hearts of every large galaxy. Some blast out jets that can spill into its host galaxy or even beyond. The energy carried by the jets is deposited in the surrounding material, playing a crucial role in the evolution of the galaxy and, in extreme cases, other galaxies nearby. And thanks to recent observations of the famous galaxy Cygnus A with the Chandra X-ray Observatory, astronomers have gotten a closer glimpse at just how those jets work — and how things are not always as straightforward as they seem. Instead, Cygnus A’s jets seem to be bouncing around, deflected off walls of gas and gouging out holes in the material in the process.

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