Media Resources Al About Space Weather Today's Forecast Home Classroom Resources Image Gallery Exhibits to Go
 
 
Navigation bar

 
 
The Van Allen belts, one of the many regions within the magnetosphere, were the first major scientific discovery of the Space Age. In 1958, Geiger counters aboard the U.S. satellites Explorers 1 and 3, detected energetic charged particles trapped in magnetic field regions fairly close to Earth.

In this photo, Dr. William H. Pickering, Dr. James A. Van Allen and Dr. Wernher von Braun (left to right) hoist a model of Explorer I and the final stage after the launching Jan. 31, 1958.

Photo courtesy NASA.



 


  The Space Weather Center is brought to you by the Space Science Institute with financial support from NASA and the National Science Foundation.  



Copyright 1998-1999 Space Science Institute, all rights reserved
Comments? Send email to webmaster@spacescience.org.