Science

Hubble Reveals Cosmic Mystery

Researchers using NASA’s Hubble Space Telescope studied 37 nearby dwarf galaxies — small galaxies containing a few thousand to hundreds of millions of stars — including NGC 4449 and found that much of the oxygen they expected to see is missing.

✦ Extractive summary — built from the sources' own reporting•From 1 source•1 min read•Updated November 4, 2026, 3:59 PM UTC

2, 2026, showcases NGC 4449, a dwarf irregular.

How this summary was made: extractive summary — built from the sources' own reporting. It is drawn only from the reporting of the sources listed below — read the originals for full detail. How we summarize →

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