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Half of Universe's Matter Found as Invisible Gas

5/11/2025

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Summary

Story summary

Astronomers have unveiled a stunning revelation: more than half of the universe's normal matter exists as invisible ionized hydrogen gas, forming halos around galaxies. This groundbreaking discovery, derived from images of seven million galaxies, hints at the dynamic life stages of black holes and promises to deepen our understanding of the universe's evolution.

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Story summary

Astronomers have unveiled a stunning revelation: more than half of the universe's normal matter exists as invisible ionized hydrogen gas, forming halos around galaxies. This groundbreaking discovery, derived from images of seven million galaxies, hints at the dynamic life stages of black holes and promises to deepen our understanding of the universe's evolution.