. According

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...

Full description

Bibliographic Details
Other Authors: The Pennsylvania State University CiteSeerX Archives
Format: Text
Language:English
Subjects:
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
Description
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 ∝