Click to open image viewer. This is one of several replicas of the Explorer 1 in the collection consisting of machined metal shells of the payload section. Explorer-1 was the first American satellite ...

Explorer 1 was the first successful satellite launched by the United States. It was designed and built by the Jet Propulsion Laboratory (JPL) under the direction of Dr. William Pickering. They ...

Explorer 1 is the second episode of Beginnings Of The Space Age The 60minute documentary reveals how JPL and the US Army could have been the first to place a satellite into Earth orbit had they only ...

Learn about the role that the Jet Propulsion Laboratory played before the creation of NASA. Explorer 1 traces the story of the role JPL played before the creation of NASA and how the lab was given a ...

“Early Friday morning, shortly before 4 a.m. Mountain time, a student-built satellite called Explorer-1 [Prime] roared into the sky on a NASA rocket launched from the Vandenberg Air Force Base in ...