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In analyzing the procedure of the asteroid striking the South Pole,we can divided it into three stages: The first stage:It turns into fiery sphere,falling from the height of 70 km at the speed of 15 km per second.There is about 3,200 degrees centigrade at the head of it. The relationship of characte...
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Format: | Text |
Language: | English |
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Online Access: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.71.1274 http://www.public.iastate.edu/~baojie/pub/1999-02-08_impact.PDF |
Summary: | In analyzing the procedure of the asteroid striking the South Pole,we can divided it into three stages: The first stage:It turns into fiery sphere,falling from the height of 70 km at the speed of 15 km per second.There is about 3,200 degrees centigrade at the head of it. The relationship of characteristic length and characteracteristic time isθ ∝ |
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