Pioneer 4

This unflown duplicate of Pioneer 4 contains batteries to power its radio transmitter, a cosmic radiation counter, and other instruments. A gold-plated cone covers the instruments and serves as a communications antenna.

Caption:
Unflown duplicate of Pioneer 4, an early satellite designed for lunar exploration.
Type: Artifact
Image Date: 2012
Credit: National Air and Space Museum, Smithsonian Institution
Origin: National Air and Space Museum, Smithsonian Institution
Creator: Eric Long
NASM 2012-02156
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Unflown duplicate of Pioneer 4, an early satellite designed for lunar exploration.
Unflown duplicate of Pioneer 4, an early satellite designed for lunar exploration.
Unflown duplicate of Pioneer 4, an early satellite designed for lunar exploration.