Tag: planetary history
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Oldest meteorite crater in WA revealed: 3.5B years
Australia’s Ancient Impact: A Crater Older Than Time Earth’s early history is written in rocks, and Western Australia now claims a headline as old as the planet itself. Researchers from Curtin University have proposed that a fossilised meteorite crater in the Pilbara region—deep in the archipelago of ancient crust around North Pole Dome and Marble…
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Ancient Supernova Imprint in Pacific: Be-10 Spike Evidence
The Be-10 Spike: A Cosmic Fingerprint in Ocean Sediments A remarkable spike in the radioactive isotope beryllium-10 has been detected in sediments from the Pacific Ocean. Beryllium-10 is produced when cosmic rays strike Earth’s atmosphere, leaving a chemical signature that can reveal past astronomical events. The researchers suggest that this spike could point to a…