A Cosmic Rarity Found in Antarctic Snow

The isotope iron-60, produced when a star explodes, is hidden in some of Earth’s most isolated places

The Atlantic
Aug 23 · 4 min read
Satellite image of Antarctic ice from 2011. Photo: NASA

By Marina Koren

The snow arrived at the laboratory in Munich inside Styrofoam boxes. It came from a German research station in Antarctica, where summer made the snow, whisked around in the wind like sand…

This story is just a click away.

Sign up for a free Medium account to read this story from The Atlantic. Plus, get one more story in your member preview this month.
Already have an account? Sign in

Welcome to a place where words matter. On Medium, smart voices and original ideas take center stage - with no ads in sight. Watch
Follow all the topics you care about, and we’ll deliver the best stories for you to your homepage and inbox. Explore
Get unlimited access to the best stories on Medium — and support writers while you’re at it. Just $5/month. Upgrade