| 21. | Most meteoroids that cause meteors are about the size of a grain of sand.
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| 22. | Their abundance in meteoroid materials is relatively higher.
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| 23. | On October 7, 2008 the meteoroid 2008 TC3 exploded above the Nubian Desert.
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| 24. | He questioned witnesses of meteoroid detonations or bolides and organized and financed searching expeditions.
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| 25. | The so-called Leonid stream of meteoroids produces wonderful displays about every 33 years.
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| 26. | Such information may lead to improved meteoroid protection for future space stations, Ailor said.
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| 27. | _What is the likelihood that a meteoroid from one planet collides with another planet?
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| 28. | Meteoroids contain iron, nickel and silica.
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| 29. | Earth moves through the meteoroid stream of particles left from the passages of a comet.
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| 30. | The smallest known near-Earth meteoroid is with an absolute magnitude of 33.2
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