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Radioactive Stardust From an Ancient Cosmic Blast Is Still Raining on Earth
A sprinkling of radioactive plutonium atoms hidden in the ocean floor may trace back to a cosmic cataclysm more than 100 million years ago.
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sciencealert.com
Radioactive Stardust From an Ancient Cosmic Blast Is Still Raining on Earth
A sprinkling of radioactive plutonium atoms hidden in the ocean floor may trace back to a cosmic cataclysm more than 100 million years ago.
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economictimes.indiatimes.com
80,000-year-old Antarctic ice reveals radioactive stardust still falling on Earth. Is it dangerous?
Scientists have detected iron-60, a radioactive isotope from ancient supernova explosions, in Antarctic ice up to 80,000 years old. This discovery indicates that Earth is still…
