Can We Find the Heaviest Elements in Asteroids?

By Brian Koberlein - October 17, 2023 11:32 AM UTC | Planetary Science
Uranium is the heaviest element found in large amounts on Earth, with an atomic number of 92. Although heavier elements were formed in supernovae and particle accelerators, they decay into lighter elements. Physicists have long hoped for an island of stability where heavier elements could be stable, but they've failed to find them on Earth, where they would sink to the core. A physicist team thinks these heavier elements could be found in dense asteroids.
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A Monster Solar Storm Struck Earth 14,300 Years Ago

By Brian Koberlein - October 16, 2023 02:51 PM UTC | Solar Astronomy
Because of our dependence on technology, a powerful solar storm would be a catastrophe, shutting down the electrical grid and deactivating satellites. Researchers studying tree rings have found what they think is the most powerful solar storm ever to hit our planet - 14,300 years ago. So far, scientists have found nine extreme solar storms, called Miyake Events, in the last 15,000 years, but this newly identified one is twice as powerful as anything found.
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