What are the mysterious ‘little red dots’ in images of space?

2026-08-24

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When the James Webb Space Telescope started sending back images in 2022, something mysterious appeared: little red dots, speckled across the sky. They didn’t look like any known celestial objects, and astronomers began racing to figure out what they were. There was a lot of hot debate, but researchers are making progress—the dots appear to be black holes, but black holes like we’ve never seen them before. In a recent study, astrophysicist Rohan Naidu and his team looked into one little red dot with the catch...

There was a lot of hot debate, but researchers are making progress—the dots appear to be black holes, but black holes like we’ve never seen them before. In a recent study, astrophysicist Rohan Naidu and his team looked into one little red dot with the catchy name of MoM-BH*-1 and concluded it was a new cosmic category called a black hole star.

Guest:

Dr. Rohan Naidu is an assistant professor at the Institute for Astronomy at the University of Hawaiʻi.

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