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Half the universe’s ordinary matter was missing — and may have been found

The long-sought matter appears to have been hiding in the gaps between galaxies

Australian Square Kilometre Array Pathfinder

Observations of brief, brilliant flashes of radio waves from other galaxies, detected by the Australian Square Kilometre Array Pathfinder (pictured), indicate that all of the universe’s “missing matter” is lurking in intergalactic space.

CSIRO, Alex Cherney

By Maria Temming

- More than 2 years ago

At long last, all of the universe’s ordinary matter seems to be present and accounted for.