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Science News for August 23, 2002


Evidence of earth-shaking asteroid strike published

Scientists have discovered proof of an ancient earth-shaking asteroid impact in South Africa and Northwest Australia, using ancient rocks containing spherules formed from vaporized meteor material. The study provides insight into the earliest known meteor strike on Earth, which had a profound impact on the planet's surface and climate.

SourceLouisiana State University·JournalScience·DateAug 23, 2002