James Webb Space Telescope and Chandra X-ray Observatory discovered the oldest and most distant X-ray-spitting quasar

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This quasar might be powered by the starting point of a supermassive black hole, often called a "seed."

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Quasars are bright spots in active galaxies, driven by supermassive black holes that emit strong radiation as they feed on matter.

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UHZ1 was seen in high-energy X-rays, dating back to when the universe was only 450 million years old.

The discovery of UHZ1 could help us understand how supermassive black holes grew so big, reaching millions or even billions of times the sun's mass.

Some scientists think these black holes started as "seeds," and one theory suggests they could be "heavy seeds" formed in galaxies with suppressed star formation.

Professor Priyamvada Natarajan, a co-author of the study, says UHZ1 is the first candidate matching the predicted properties of these heavy-seed galaxies.