Un asteroid de dimensiunea unui autobuz cu etaj, numit 2010 TD54, a trecut la o distanta de 45.000 de kilometri de Pamant dupa ce a intersectat orbita Lunii, au anuntat cercetatorii de la Observatorul Astronomic din Arizona. TD54 este ultimul dintr-o serie de asteroizi care s-au apropiat periculos de Terra in ultima perioada, au declarat si specialistii NASA, cei care anunta ca un alt corp ceresc, 2010 ST3, cu un diametru de 150 de metri, va trece prin apropierea planetei noastra in a doua jumatate a lunii octombrie a acestui an.
Oamenii de stiinta de la NASA tin, insa, sa mentioneze ca
asteroizi cu diametrul de cel mult 10 metri se apropie de Terra in
fiecare zi, iar cei care patrund in atmosfera terestra sunt
distrusi de forta de frecare cu aerul si nu ajung sa loveasca
Pamantul. Alti asteroizi, de marimi medii, patrund anual in
atmosfera dar nu prezinta un pericol major, in timp ce asteroizi de
marimea lui TD54 lovesc Pamantul o data la 10 ani.
Sursa: DailyMail
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