Archive · 25 Nov 2025
Astronomers Discover Most Distant Supermassive Black Hole
Astronomers using the James Webb Space Telescope (JWST) think they have found the farthest supermassive black hole ever seen.
This black hole is in a galaxy called GHZ2, which is so far away that we see it as it was just 350 million years after the Big Bang.
The scientists used special tools on the JWST to detect light from this distant galaxy.
They found special signs, like bright lines from energized atoms, that suggest there might be a supermassive black hole in GHZ2.
This discovery is important because it helps scientists understand how such huge black holes could form so quickly in the early universe.
They have two main ideas: either these black holes start small and grow very fast, or they start big and have a head start.
The researchers plan to do more studies to confirm if there is indeed a black hole in GHZ2 and to learn more about how these mysterious objects form and grow.
Astronomers using the James Webb Space Telescope (JWST) may have discovered the most distant supermassive black hole in the GHZ2 galaxy, seen as it was 350 million years after the Big Bang.
The study used JWST’s Near Infrared Spectrograph and Mid-Infrared Instrument to detect light from the distant galaxy, which has been stretched into the infrared by the universe’s expansion.
The GHZ2 galaxy exhibits intense emission lines, particularly the C IV λ1548 line, suggesting the presence of an actively feeding supermassive black hole.
Researchers are developing models to understand the contributions of both stars and the active galactic nucleus to the galaxy’s emitted light, with plans for further observations to confirm the black hole’s presence.
The discovery raises questions about how supermassive black holes gain mass so quickly in the early universe, with theories suggesting either rapid growth from small seeds or initial large masses.
- Who
- Astronomers using the James Webb Space Telescope (JWST)
- What
- Discovered the most distant supermassive black hole in the GHZ2 galaxy
- When
- 350 million years after the Big Bang, study published on November 4
- Where
- GHZ2 galaxy, observed using JWST
- Why
- To understand the formation and growth of supermassive black holes in the early universe
- Discovery Tool
- James Webb Space Telescope (JWST)
- Galaxy Name
- GHZ2
- Time After Big Bang
- 350 million years
- Key Instruments Used
- Near Infrared Spectrograph and Mid-Infrared Instrument
- Study Publication Date
- November 4 (preprint, not peer-reviewed)
- Lead Author
- Oscar Chavez Ortiz
- Key Emission Line
- C IV λ1548
- Next Steps
- Additional JWST observations and ALMA data