Researchers using Hubble studied 37 dwarf galaxies and found that much of the oxygen they expected to see is missing. Simulations predict that significantly more oxygen should be present. Instead, the study revealed that dwarf galaxies hold onto only a small fraction of oxygen made by their stars.NASA's Hubble Uncovers Case of Missing Oxygen in Nearby Dwarf Galaxies
November 04, 2026
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Researchers using Hubble studied 37 dwarf galaxies and found that much of the oxygen they expected to see is missing. Simulations predict that significantly more oxygen should be present. Instead, the study revealed that dwarf galaxies hold onto only a small fraction of oxygen made by their stars.
