Bits of rock may point to the oldest known midair asteroid disintegration
Around 2.5 million years ago, an asteroid may have exploded over Antarctica.
The evidence comes from a chemical analysis of more than 100 tiny pieces of rock entrained within the White Continent's ice, researchers report in the Feb. 1 Earth and Planetary Science Letters.
This article was downloaded by calibre from https://www.sciencenews.org/article/asteroid-exploded-antarctica-millions-years-ago
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