strangelets

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domingo, mar├žo 21, 2004


They are only the size of a pollen grain but so dense they can rip through the planet and exit on the other side in seconds.

Scientists have concluded that two mysterious explosions in 1993 were caused by the missiles, known as 'strange-quark nuggets' or strangelets. A team of researchers from the Southern Methodist University in Texas studied earthquake data for evidence of strangelets hitting Earth. Strangelets were formed in the Big Bang. They are predicted to have many unusual properties, including a density about 10 trillion (10 million million) times greater than lead. Just a single pollen-sized fragment is believed to weigh several tons.