Scientists find iron-60 in 81,000-year-old Antarctic ice, indicating supernova dust
NewsBytes | May 11, 2026 5:39 PM CST
Iron-60 suggests local interstellar cloud transit
The find suggests these iron-60 particles are truly from outer space, not Earth.
It also shows the solar system may have been drifting through the Local Interstellar Cloud, a patchy region full of old supernova debris, for at least 80,000 years.
By studying these icy layers, scientists get a timeline of our planet's cosmic journey and learn more about what's floating around us in deep space.
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