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Half of the universe's hydrogen gas, long unaccounted for, has been found (phys.org)

submitted 3 weeks ago by [email protected] to c/[email protected]

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[–] [email protected] 6 points 3 weeks ago

What I understood is kind of the opposite–they already knew there were hidrogene clouds around galaxies but analyzed some almost imperceptibly blurry images and found they were bigger than currently thought. They're blurry because they were taken in some wavelength not observable until now that is scattered by the ionized gas.

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