Abstract: This paper contains a summary of the launch and performance of the first meteorological satellite, Vanguard II. A brief description of its instrumentation is given.

This is a full-scale replica of the Vanguard 3 satellite. Vanguard 3 was designed to measure solar X-rays, the Earth's magnetic field, and micrometeoroids. It was placed in orbit on September 18, 1959 ...

Free timed-entry passes are required for the Museum in DC. This is one of several replicas of the Vanguard 1 satellite in the NASM collection. Vanguard 1 was the second American satellite to orbit the ...

GAPE CANAVERAL, Fla., Dec. 6--The Vanguard test rocket--with U.S. hopes for some recaptured prestige aboard--barely struggled off the ground today, then fell back and exploded. Although there are ...

The US Signals Corps' William Cherry encouraged RCA to work on solar cells and in 1958 the Vanguard I satellite was the first practical application of PV, with less than 1 W of capacity. Later that ...