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Vanguard (20in Radiation Balance)

Vanguard Radiation Balance [NASA]

The Vanguard Radiation Ballance satellite was a magnesium alloy sphere (20 inches in diameter) intended to measure the solar-Earth heating process which generates weather.

A faulty second stage pressure valve of the Vanguard launch vehicle caused a mission failure.

Nation: USA
Type / Application: Science
Operator: NASA
Contractors: Naval Research Laboratory (NRL)
Propulsion: None
Power: Batteries
Mass: 10 kg
Satellite COSPAR Date LS Launch Vehicle Remarks
Vanguard SLV6 (20in Radiation balance #1) 1959-F04 22.06.1959 CC LC-18A F Vanguard