Vanguard 1, launched in 1958, was the world’s first solar-powered satellite and the second U.S. satellite in orbit; it tested solar power and the space environment, contributed to Earth-shape and atmospheric-drag studies, and remains the oldest artificial object orbiting Earth.
Future launches and major activity directly linked to this vehicle family.
Vanguard 1, launched in 1958, was the world’s first solar-powered satellite and the second U.S. satellite in orbit; it tested solar power and the space environment, contributed to Earth-shape and atmospheric-drag studies, and remains the oldest artificial object orbiting Earth.
Future launches and major activity directly linked to this vehicle family.