Sensor, Horizon, Apollo

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This object is on display in the Human Spaceflight at the Steven F. Udvar-Hazy Center in Chantilly, VA.

Human Spaceflight

This device was used to align an on-board navigation and guidance system by sensing the Earth's horizon. It is unflown. The sensor may have been used for an Apollo spacecraft, or a US Air Force satellite.

NASA transferred this sensor to the Museum in 1973.