HomeScienceDark matter "nuggets" could be lighting up our galaxy, here's what scientists think

Dark matter "nuggets" could be lighting up our galaxy, here's what scientists think

Scientists suggest a mysterious ultraviolet glow across the Milky Way may come from dark matter nuggets, hinting that the universe’s invisible matter might not be completely dark.

December 21, 2025 / 17:18 IST
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A mysterious ultraviolet glow across the Milky Way may come from dark matter nuggets. (Image: NASA)
A mysterious ultraviolet glow across the Milky Way may come from dark matter nuggets. (Image: NASA)

Scientists report ultraviolet glow spread across the Milky Way galaxy. The light cannot be explained by stars gas or dust. Researchers propose dark matter nuggets as a shocking explanation today. These nuggets could glow when antimatter meets ordinary interstellar material.

Dark Matter That Refuses to Stay Dark

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The idea focuses on hypothetical axion quark nuggets theoretical objects. Each nugget would be microscopic yet incredibly dense and massive. Some nuggets may contain antimatter trapped since early universe formation.

Collisions with normal gas would trigger annihilation releasing energy light. This energy could appear as far ultraviolet radiation across space. Telescopes already detect excess ultraviolet light permeating our galaxy everywhere.