****FAST SPACE MISSION****
FAST WAS A SATTELITE DEGINED TO STUDY EARTH 'SARORA. THE HIGHLY SUCCESSFUL SPACECRAFT HAS HELPED SCIENTIST S ANSWER FUNDAMENTAL QUESTION ABOUT THE CAUSES AND MAKE- UP OFOF ARORORA .FAST'S PRIMAR OBJECTIVE WAS TO STUDY THE SPACE PLASMA .FAST WAS LAUNCHED ON AUGUST 21,1996FROM PEGASUS ROKET INTO HIGHLY ELLIPTICAL ORBIT IT CROSSED EARTH AURORAL ZONE [DROUGHTNUT SHAPED REGIONS CENTRED ON THE POLE]FOUR TIMES EACH ORABIT AND ONLY COLLECTED HIGH -RESOLUTION DATA WHILE IN THOSE ZONES .
VENTURED HIGH INTO THE CHARGED PARTICAL ENVIROMENT OF THE AROURA TO MEASURE THE ELECTRIC AND MAGNETIC FIELDS ,PLASMAWAVES AND VARIOUS OTHER ASPECT .
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