Sextans A contains only 3 to 7 percent of the Sun's metal content (metallicity).
Sources
- NASA Webb Finds Early-Universe Analog's Unexpected Talent for Making Dust - NASA Science (science.nasa.gov)
- https://spacedaily.com/t-sextans-a-iron-silicon-carbide-dust/ (spacedaily.com)
- https://astrobiology.com/2026/01/12/astrochemistry-jwst-finds-early-universe-analogs-unexpected-talent-for-making-dust/ (astrobiology.com)
- https://arxiv.org/abs/2507.16766 (arxiv.org)
- https://www.space.com/astronomy/galaxies/unusual-ingredients-helped-stars-form-in-a-galaxy-near-the-milky-way (space.com)
- https://www.techtimes.com/articles/321296/20260722/jwst-catches-metal-poor-galaxy-forging-iron-dust-earlier-models-allow.htm (techtimes.com)
- https://www.nature.com/articles/s41550-026-02969-5 (nature.com)
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