A study conducted by the University of Southampton has uncovered the process by which supermassive black holes (SMBHs) consume gas clouds that reach them by traveling hundreds of thousands of light years, from one galaxy to another. An international group of researchers has established a crucial
Two interacting galaxies viewed from the Hubble Space Telescope. Credit: NASA/ESA/Hubble Heritage Teamhas uncovered the process by which supermassive black holes consume gas clouds that reach them by traveling hundreds of thousands of light years, from one galaxy to another.
Astrophysicist and lead researcher from the University of Southampton, Dr. Sandra Raimundo, comments: “Supermassive black holes fuel their activity by, in part, the gradual accumulation of gas from the environment around them. Supermassive black holes can make the centers of galaxies shine very brightly when they capture gas and it’s thought this process can be a major influence on the way that galaxies look today.
Dr. Raimundo explains: “The work that we carried out shows the presence of gas that is misaligned from stars is associated with an increase in the fraction of active supermassive black holes. Since misaligned gas is a clear sign of a past interaction between two galaxies, our work shows that galaxy interactions provide fuel to power active supermassive black holes.
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