ASTEROIDAL DAMAGE TO THE EARTH: IMPLICATIONS BY ASTEROIDS RUBBLE PILES. ... 13, Moscow 119892, Russia, E-mail:san@sai.msu.ru In the cause of asteroids rubble piles its effective cross-section of collision to the Earth is determined not by consolidated body, but by cluster of its fragments. Since the stage of rubble piles may be ~108 years (see our communication at previous symposium), it may be significant for estimation the asteroidal damage to the Earth. ...
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