October 26 , 2019
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	- NASA recently decommissioned its 7-year-old Van Allen Probes mission.
 
	- It consists of 2 satellites in Van Allen belts to study space weather and the radiation belts around the Earth.
 
	- Van Allen radiation belts are giant swaths of magnetically trapped, highly energetic charged particles that surround earth.
 
	- The mission studied how these radiation rings acquire and lose electromagnetic particles.
 
	- James Van Allen, a physicist at the University of Iowa, discovered these radiation belts in 1958.
 
                                 
                            
                                
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