Named MoM-BH*-1, the unusual celestial body challenges existing models of early galaxy and star formation.
Discovering MoM-BH*-1: A New Class of Celestial Objects
At first glance, MoM-BH*-1 resembles a giant star. However, its luminosity is so immense that conventional fusion reactions cannot provide enough energy to sustain it, according to the research team’s models. Instead, scientists believe a black hole with a mass roughly 100,000 times that of the Sun sits at the center of the object. This massive gravitational engine is surrounded by an extremely thick layer of hydrogen gas roughly the size of our solar system.
They term it a “black hole star.” While the outer hydrogen cocoon makes the entire structure look like a super-giant star, the actual power source originates from the black hole in its core. As matter falls inward, accretion processes release vast amounts of energy, generating the extraordinary brightness detected by the James Webb Space Telescope (JWST).
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Researchers paid close attention to a specific feature in the object’s light spectrum known as the “Balmer break.” The observed depth of this break is the deepest ever recorded, showing almost exclusively hydrogen and helium with very few heavy elements.
Solving the Mystery of Early Universe “Little Red Dots”
This discovery may help explain a persistent puzzle in JWST imaging: the abundance of “little red dots” that appear frequently in observations of the early universe but largely vanish in the modern cosmos. Scientists suspect many of these puzzling points of light might also be black hole stars—massive black holes enveloped in dense gas.
MoM-BH*-1 stands out because the light from the central black hole star is intense enough to almost completely obscure any surrounding host galaxy.
Frequently Asked Questions
What is MoM-BH*-1?
MoM-BH*-1 is a newly identified red object discovered by MIT researchers using the James Webb Space Telescope. It appears as a giant star but is believed to be a massive black hole surrounded by a thick hydrogen cocoon.
Why do scientists call it a “black hole star”?
Researchers use the term because the object features a massive black hole at its center providing energy through accretion, while an enormous layer of hydrogen gas makes the entire entity look like a super-giant star.
How does this discovery impact our understanding of the early universe?
If confirmed, it could explain the mysterious “little red dots” seen in early universe surveys and provide vital insights into supermassive black hole evolution.
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