JWST Confirms Black Hole Feeding Cycle in NGC 4696 With 800-Light-Year Gas Swirl
Updated
Updated · Space.com · Jul 19
JWST Confirms Black Hole Feeding Cycle in NGC 4696 With 800-Light-Year Gas Swirl
3 articles · Updated · Space.com · Jul 19
Summary
JWST observations of NGC 4696 traced a vast infalling gas filament into an 800-light-year-wide swirl around its central supermassive black hole, giving astronomers direct evidence of a self-regulating feeding cycle.
Gas in the hook-shaped structure is moving at about 600 kilometers per second, and simulations matched the observed shape, supporting the idea that cooled material falls back inward after black-hole jets previously drove it out.
That closes a long-missing link in models that explain how active galactic nuclei can alternate between feeding and starving themselves while recycling gas through their host galaxies.
The result could help explain how some supermassive black holes reached millions or billions of solar masses less than 1 billion years after the Big Bang; the study appeared July 16 in Astrophysical Journal Letters.
Webb saw a black hole feeding itself. What other cosmic secrets are hiding in galactic cores?
How can some black holes be born huge while others must grow by recycling their fuel?
If supermassive black holes recycle their fuel, could they power galaxies for trillions of years?
How JWST Captured Supermassive Black Hole Accretion in NGC 4696: New Insights into Galaxy and Black Hole Co-Evolution
Overview
In 2026, the James Webb Space Telescope (JWST) made a groundbreaking discovery by providing direct evidence of a supermassive black hole actively feeding in the galaxy NGC 4696, the largest member of the Centaurus Cluster. Led by an international team from the Université de Montréal and Michigan State University, this research was published in The Astrophysical Journal Letters. By capturing unprecedented details at the galaxy’s core, JWST addressed long-standing questions in astronomy and revealed how black holes grow by consuming surrounding matter, marking a pivotal moment in our understanding of galaxy evolution.