Alex McColgan

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Now, speaking of analysing data, what was the second explanation for those little red dots spotted by the James Webb Space Telescope?

Well,

At the center of most galaxies, you can find a supermassive black hole, surrounded by an accretion disk of gas and dust.

As it spirals inward, the gas is compressed and heated to over 12 million degrees Celsius, and it emits a powerful glow.

Active black holes are some of the brightest objects in the universe.

Could they be behind little red dots?

Surrounding the accretion disk of a black hole is a donut-shaped ring of gas called a torus.

If you're looking at the torus side on, that dust sits between you and the bright black hole, absorbing shorter wavelengths and letting longer red and infrared ones through.

Sound familiar?

Little red dots as black holes made sense.