ACCELERATING EDUCATION

ACCELERATING EDUCATION
Physics keeps life going-物理 依据 生命

Δευτέρα, 24 Σεπτεμβρίου 2012

ACCIDENTS IN THE SPACE

The Space Shuttle Challenger Explodes



anuary 28th, 1986 at 11:39am EDT - The Space Shuttle Challenger Explodes on its 10th flight during mission STS-51-L. The explosion occurred 73 seconds after liftoff and was actually the result of rapid deceleration and not combustion of fuel. 




The space shuttle Endeavour 





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