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Hubble Telescope Uncovers ‘Missing’ Oxygen Mystery in Dwarf Galaxies

The venerable Hubble Space Telescope has pinpointed a cosmic puzzle: a surprising deficit of oxygen in nearby dwarf galaxies.

Researchers studying these smaller stellar systems have discovered that they retain only a fraction of the oxygen produced by their stars, hinting at powerful galactic winds expelling this vital element into intergalactic space.

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