James Van Allen of the University of Iowa poses with a rocket model. Van Allen designed one of three science…
In late 1957, teams at JPL worked on the complex pieces required to build the Explorer 1 satellite. Here, Explorer…
A model of Explorer 1, held by JPL’s Director William Pickering, scientist James Van Allen and rocket pioneer Wernher von…
Through the combined efforts of JPL and the Army Ballistic Missile Ballistic Agency, Explorer 1 launched from Cape Canaveral, Fla.,…
