SAS-3 (Explorer 53) was NASA’s third Small Astronomy Satellite, launched in 1975 to study cosmic X-ray sources and transient phenomena before its mission ended in 1979.
Future launches and major activity directly linked to this vehicle family.
SAS-3 (Explorer 53) was NASA’s third Small Astronomy Satellite, launched in 1975 to study cosmic X-ray sources and transient phenomena before its mission ended in 1979.
Future launches and major activity directly linked to this vehicle family.