Posted on Oct 27, 2022
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https://scitechdaily.com/nasas-webb-space-telescope-sheds-light-on-galaxy-evolution-and-black-holes/
"The close proximity of Stephan’s Quintet gives astronomers a ringside seat to galactic mergers and interactions.
NASA’s James Webb Space Telescope reveals never-before-seen details of the galaxy group called “Stephan’s Quintet” in an enormous new image. The close proximity of this group gives scientists a ringside seat to galactic mergers and interactions. Astronomers rarely see in so much detail how interacting galaxies trigger star formation in each other, and how the gas in these galaxies is being disturbed. Stephan’s Quintet is a fantastic “laboratory” for studying these processes fundamental to all galaxies. In a level of detail never seen before, the image also shows outflows driven by a supermassive black hole in one of the group’s galaxies. Tight galaxy groups like this may have been more common in the early universe when superheated, infalling material may have fueled very energetic black holes.:
"The close proximity of Stephan’s Quintet gives astronomers a ringside seat to galactic mergers and interactions.
NASA’s James Webb Space Telescope reveals never-before-seen details of the galaxy group called “Stephan’s Quintet” in an enormous new image. The close proximity of this group gives scientists a ringside seat to galactic mergers and interactions. Astronomers rarely see in so much detail how interacting galaxies trigger star formation in each other, and how the gas in these galaxies is being disturbed. Stephan’s Quintet is a fantastic “laboratory” for studying these processes fundamental to all galaxies. In a level of detail never seen before, the image also shows outflows driven by a supermassive black hole in one of the group’s galaxies. Tight galaxy groups like this may have been more common in the early universe when superheated, infalling material may have fueled very energetic black holes.:
Physics
Astronomy & Astrophysics
NASA
Edited >1 y ago
Posted >1 y ago
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SGT Mary G. thanks for the share... interesting.
..."As a bonus, Webb revealed a vast sea of thousands of distant background galaxies reminiscent of Hubble’s Deep Fields.
Combined with the most detailed infrared image ever of Stephan’s Quintet from MIRI and the Near-Infrared Camera (NIRCam), the data obtained by Webb will provide a bounty of valuable, new information. For instance, it will help astrophysicists understand the rate at which supermassive black holes feed and grow. Webb also sees star-forming regions much more directly, and it is able to examine emissions from the dust – a level of detail that was previously impossible to obtain."...
..."As a bonus, Webb revealed a vast sea of thousands of distant background galaxies reminiscent of Hubble’s Deep Fields.
Combined with the most detailed infrared image ever of Stephan’s Quintet from MIRI and the Near-Infrared Camera (NIRCam), the data obtained by Webb will provide a bounty of valuable, new information. For instance, it will help astrophysicists understand the rate at which supermassive black holes feed and grow. Webb also sees star-forming regions much more directly, and it is able to examine emissions from the dust – a level of detail that was previously impossible to obtain."...
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