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A Flashlight Wrapped in Red Tape: Why Active Cores Change Color ⚡ экспресс

Original: "Little Red Dots as Obscured Little Blue Dots: A Super-Eddington Unification Model"
· Piero Madau, Roberto Maiolino
arXiv:2602.22386 · 2026-02-25 · CC BY · ⏱ 1 min · Galaxies High Energy
"Red dots" and "Blue dots" are the same object, just the viewing angle changes the color, like a flashlight with red tape.
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Astronomers have cracked the mystery of "Red Dots": they are the same "Blue Dots", but seen through dust at an angle. Just a tilt changes the color and spectrum of distant active galactic nuclei.

🎯 There is no more dust around a supermassive black hole than in a small cloud, but it’s enough to completely change the color of the entire nucleus.

Scientists
Christian DopplerD. B. McLaughlinDidier QuelozMichel MayorR. A. RossiterStephen Hawking
Tags
black hole galaxy JWST cosmic dust spectroscopy
Laws
Doppler effectHawking radiationgravitational lensingBekenstein-Hawking entropyEinstein field equationsMaxwell's equations
Original: arXiv:2602.22386 · CC BY · bridge42worlds