James Webb Reveals 13 Million-Solar-Mass M77 Core as Dust Hides Possible Twin Black Holes
Updated
Updated · en.clickpetroleoegas.com.br · May 15
James Webb Reveals 13 Million-Solar-Mass M77 Core as Dust Hides Possible Twin Black Holes
4 articles · Updated · en.clickpetroleoegas.com.br · May 15
Infrared observations of M77, a spiral galaxy about 35 million light-years away, uncovered a previously unseen bar-shaped structure crossing its dust-shrouded core.
Webb’s NIRCam and MIRI instruments pierced thick cosmic dust that had blocked visible and ultraviolet studies, exposing gas and dust motions and a large central star-forming ring several thousand light-years wide.
Researchers estimate about 13 million solar masses are packed into the nucleus, and recent analyses suggest that mass could be split between two supermassive black holes separated by just 0.1 parsec—too close for Webb to resolve individually.
M77 is already a key laboratory for active galactic nuclei studies, and a 2022 high-energy neutrino traced to the galaxy reinforced its status as an extreme particle accelerator beyond the Milky Way.
Now that JWST can see through cosmic dust, what other long-hidden secrets of the universe might be revealed next?
How does M77's hidden bar force a rethink of how early galaxies and their central black holes actually grow and evolve?
What secrets do M77's black hole and its neutrinos reveal about the universe's most powerful cosmic particle accelerators?
JWST Unveils the Hidden Heart of M77: New Insights into Black Holes, Starbursts, and Galactic Evolution
Overview
The James Webb Space Telescope (JWST) has provided a groundbreaking view of Messier 77 (M77), one of the brightest and most studied spiral galaxies. M77’s vast spiral arms are rich in star-forming regions, but thick cosmic dust has long hidden its core from visible-light telescopes. Thanks to JWST’s powerful infrared capabilities, astronomers can now peer through this dust, revealing previously invisible structures and phenomena. This new perspective is a game-changer, allowing scientists to better understand the complex processes deep within M77 and how supermassive black holes influence the evolution of their host galaxies.