Exploding stars scattered traces of iron over Antarctic snow

Unlike previous similar detections, the interstellar material dribbled down on Earth recently

supernova Vela

SUPERNOVA SNOWFALL  Scientists have found a fingerprint of exploding stars, or supernovas, in Antarctic snow that fell within the last 20 years. Here, part of a supernova remnant, Vela, is shown.

Harel Boren/Wikimedia Commons (CC BY-SA 4.0)

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