Black Hole Wears a Star as a Disguise

In the universe's infancy, something red was giving off 100 billion times the energy any known star could produce. It resembles a single star, swollen as wide as our solar system.

NASA's James Webb Space Telescope caught it during an MIT-led hunt for the earliest galaxies, a survey the team named Mirage or Miracle. The object, cataloged as MoM-BH*-1, matched nothing on the books.

Red usually means dust. This light did not quite fit dust. It was brilliant at most wavelengths, then vanished below a certain point, a cliff astronomers call a Balmer break. This one is the deepest the team has ever recorded in any object, which rules out ordinary stars. The light also carried almost no trace of anything beyond hydrogen and helium.

Fusion cannot generate that much power. Black holes can. The researchers ran simulations, and the closest match, which they judge the likeliest explanation, was a black hole about 100,000 times the mass of the sun. It sits buried in a hydrogen cocoon thick enough to glow like the outer layer of a giant star. The black hole stands in for the fusion furnace. Nobody had seen such a thing before. The team's name for the hybrid is simply black hole star.

Webb has turned up fainter red dots in almost every deep image it has taken. They crowd the infant cosmos, are essentially absent today and have been fiercely argued over. The researchers suspect many could be black hole stars. This one simply outshines its own galaxy.

The 1 at the end of its name is deliberate. Webb's deep images are crowded with candidates for a 2.

Read the full story at MIT News, August 12, 2026

Hot Take: Le Carré would admire the tradecraft. A black hole with a star's papers and a star's accent went undetected until someone noticed it spent 100 billion times the budget.