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Our atmosphere is a better shield from meteoroids than researchers thought, new research shows. When a meteor comes hurtling toward Earth, the high-pressure air in front of it seeps into its pores and cracks, pushing the body of the meteor apart and causing it to explode, report scientists.Generally, astronomers are unable to predict meteorite impacts, largely because meteoroids traveling in outer space are too small to detect. ... Fortunately, between 90 and 95 percent of meteors don't survive the fall through the Earth's atmosphere to produce meteorites, Moorhead explained.
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