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Published online 9 December 2003 | Nature | doi:10.1038/news031208-1
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Dust explains shooting stars' twin streaks
Rise and fall makes some meteors leave two trails in night sky.
Some meteors leave two trails in the night sky because of a rain of dust, US researchers say. Scientists have been seeking an explanation for the puzzling twinned lines, bent and twisted by high-altitude winds, for at least a hundred years.
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