"It turns out that when you have a supermassive black hole that is active, it not only produces radiation, but it also produces a lot of high energy particles that are powered by the black hole," Lingam said. In the case of quasars hosting larger supermassive black holes, the research found such effects could actually influence the black hole's host galaxy as a whole. This demonstrated that this value may extend approximately over 3,000 lightyears. To study how black holes can affect a planet's atmosphere, the team developed mathematical models to estimate the maximal distance up to which these effects are rendered significant for Earth-like planets in the Milky Way. The paper focuses on two key mechanisms: how black hole winds can heat atmospheres and drive atmospheric escape, as well as how they can stimulate the formation of nitrogen oxides and thus lead to ozone depletion. Published in the Monthly Notices of the Royal Astronomical Society, the paper examines the effects of the supermassive black hole at our galaxy's center on the atmosphere of planets in the Milky Way. "The impact of AGN outflows on the surface habitability of terrestrial planets in the Milky Way" is a research paper by the team of astrobiologist Manasvi Lingam and astrophysicist Eric Perlman from Florida Tech's Department of Aerospace, Physics and Space Sciences, as well as researchers from the University of Rome, University of Maryland and Goddard Space Flight Center.
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