Vanguard | Vanguard III
Vanguard 3 is a scientific satellite to measure the Earth's magnetic field, solar X-ray radiation and its effects on the Earth's atmosphere and the near-Earth micrometeoroid environment.
Mission Details
- Launch date: September 18, 1959 at 05:20 AM UTC
- Launch vehicle: Vanguard
- Operator: US Navy
- Launch site: Cape Canaveral SFS, FL, USA
- Mission type: Earth Science