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Scientists Uncover 76% of Matter as Hot Intergalactic Gas

6/17/2025

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Summary

Story summary

Astronomers have cracked the long-standing mystery of the "missing baryon problem," revealing that a staggering 76% of ordinary matter exists as hot gas between galaxies. By harnessing fast radio bursts (FRBs) to gauge gas density, researchers have unveiled crucial insights into the cosmos, reshaping our understanding of cosmic structure and the dynamics of matter.

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Story summary

Astronomers have cracked the long-standing mystery of the "missing baryon problem," revealing that a staggering 76% of ordinary matter exists as hot gas between galaxies. By harnessing fast radio bursts (FRBs) to gauge gas density, researchers have unveiled crucial insights into the cosmos, reshaping our understanding of cosmic structure and the dynamics of matter.