A meteorite hit Earth about 800,000 years ago, launching tektites over a wide area of the planet's surface, but scientists have been unable to find the crater it left behind. Researchers say they've found clues that point them to a spot underneath a lava bed in Laos that may be the impact site, according to findings published in Proceedings of the National Academy of Sciences.
Scientists think they've found ancient meteorite crater in Laos
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