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NASA James Webb Telescope Reveals ‘Jekyll and Hyde’ Star System Hiding a Supermassive Black Hole

NASA James Webb Telescope Reveals ‘Jekyll and Hyde’ Star System Hiding a Supermassive Black Hole

The black hole appears far too massive for its host galaxy, placing it in a rare category of “overmassive” black holes.

Written by Gadgets 360 Staff | Updated: 4 January 2026 13:31 IST

NASA James Webb Telescope Reveals ‘Jekyll and Hyde’ Star System Hiding a Supermassive Black Hole

Photo Credit: ESA/Webb, NASA & CSA, G. Östlin, P. G. Perez-Gonzalez, J. Melinder, the JADES Collaboration, M. Zamani

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Highlights

Galaxy Virgil shows dual nature, star formation, and black hole activity
Infrared imaging by JWST reveals a hidden supermassive black hole
Findings challenge existing galaxy formation and black hole growth models

For decades, astronomers have studied galaxy formation, but the James Webb Space Telescope (JWST) has now revealed a galaxy with a dual personality, earning it the nickname “Jekyll and Hyde.” Known as Virgil, the galaxy shows a mild-mannered side, forming stars quietly, while its hidden core harbours a heavily obscured supermassive black hole that pours out immense energy. The black hole appears far too massive for its host galaxy, placing it in a rare category of “overmassive” black holes and challenging existing models of galaxy and black hole co-evolution.

Hidden Power of Early-Universe Black Hole

According to a NASA report, JWST's Mid-Infrared Instrument (MIRI) unveiled Virgil's monstrous side. “UV and optical observations show the ‘good' side, but MIRI data reveal the black hole's intense energy output,” said co-team leader George Rieke of the University of Arizona. The study suggests that many dust-obscured black holes could be hiding in galaxies once thought ordinary, waiting to be uncovered by infrared observations.

Virgil is a member of a class of early-universe galaxies known as Little Red Dots, which the JWST has detected in significant numbers appearing around 600 million years after the Big Bang.

PUNCH reveals Sun’s eruptions from corona to interplanetary space

JWST's MIRI Uncovers Hidden Galaxies

These galaxies largely disappear by two billion years, and Virgil may help identify their descendants. MIRI can peer beyond UV and visible light to show the universe as it's never been seen before, explained Pierluigi Rinaldi of the Space Telescope Science Institute.

The discovery of Virgil is an example of the mastery of the telescope to reveal previously invisible monsters in the cosmos and add clarity to our perceptions of the universe's early evolution.

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Further reading: James Webb Space Telescope, JWST, NASA, Science