Exploded stars likely seeded the gas around Sagittarius A* with heavy elements, according to new JWST measurements from a McGill team (https://phys.org/news/2026-10-webb-reveals-metal-rich-gas.html). That gas matches the makeup of many stars orbiting the black hole, suggesting the gas and stars formed together.
Source: https://phys.org/news/2026-10-webb-reveals-metal-rich-gas.html
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