A 1961 model of Explorer I, the first American satellite to orbit the earth.
subject: Explorer I
subject: Space Race
description: Explorer I was launched on January 31, 1958, four months after the Soviet Union launched the Sputnik satellite.
creator: National Air and Space Museum via Smithsonian Institution.
source: Primary Source Sets > Space Race
publisher: Digital Public Library of America
date: 1958-01-31
language: English
type: Image
identifier: Explorer I
coverage: Space Race
coverage: Cold War