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Space · Astronomy · Wonder
astronomyTuesday, July 14, 2026·3 min read

How Supermassive Black Holes Feed Themselves

New James Webb Space Telescope images reveal gaseous filaments connecting a galaxy's atmosphere to its central supermassive black hole, shedding light on how these black holes feed themselves.

A captivating view of a spiral galaxy surrounded by thousands of stars in the night sky.
Photo: Jason Pittman

Astronomers have made significant progress in understanding how supermassive black holes feed themselves, thanks to new images from the James Webb Space Telescope (JWST). These images provide the clearest view yet of gaseous filaments connecting a galaxy's hot atmosphere to the rotating disk of gas that feeds its central supermassive black hole. This discovery was made by an international team led by the Université de Montréal, in collaboration with Michigan State University.

What happened

The team conducted observations of galaxy NGC 4696, the central galaxy of the Centaurus Cluster, located about 145 million light-years from Earth. This galaxy is an active galactic nucleus (AGN), meaning its supermassive black hole is actively pulling in surrounding material and blasting powerful jets of energy outward. The JWST images show the presence of long, thin streamers of gas, or filaments, that connect the galaxy's hot atmosphere to its central black hole.

The leading hypothesis is that the gas eventually cools, condenses into these filaments, and falls back toward the galaxy's center. This process is crucial for understanding how supermassive black holes continue to feed and grow, even when their jets heat the surrounding gas.

Why it matters

Nearly every large galaxy in the universe has a supermassive black hole at its center, millions or even billions of times more massive than the sun. When these black holes are actively feeding, they can influence the entire galaxy, slowing the birth of new stars and shaping its growth over time. Understanding how these black holes feed themselves is essential for understanding galaxy evolution.

+ Pros
  • The discovery sheds light on a long-standing mystery in astrophysics.
  • It provides new insights into the interaction between supermassive black holes and their host galaxies.
  • The findings have implications for understanding galaxy evolution and the growth of supermassive black holes.
Cons
  • The study focuses on a single galaxy, and more research is needed to confirm the findings.
  • The process of filament formation and gas feeding may vary across different types of galaxies.

How to think about it

When considering the feeding mechanism of supermassive black holes, it's essential to understand the role of gaseous filaments and the self-regulating process involved. This process allows black holes to continue feeding even when their jets heat the surrounding gas. The JWST observations provide a unique window into this process, offering new insights into the complex interactions between supermassive black holes and their host galaxies.

FAQ

What are supermassive black holes?+
Supermassive black holes are incredibly massive objects found at the centers of most large galaxies, with masses millions or even billions of times that of the sun.
How do supermassive black holes affect their host galaxies?+
When actively feeding, supermassive black holes can blast powerful jets of energy that can slow the birth of new stars and influence the growth of the galaxy.
What is the significance of the JWST observations?+
The JWST observations provide the clearest view yet of gaseous filaments connecting a galaxy's atmosphere to its central supermassive black hole, shedding light on how these black holes feed themselves.
Sources
  1. 01How supermassive black holes feed themselves
  2. 02How supermassive black holes feed themselves
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