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View of the Steven F. Udvar-Hazy Center tower at sunset

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Visit us in Washington, DC and Chantilly, VA to explore hundreds of the world’s most significant objects in aviation and space history. Free timed-entry passes are required for the Museum in DC.

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Bob Hoover Gives an Air Show Performance

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Passive Seismic Experiment, Apollo

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  • Apollo 11 Passive Seismic Experiment
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A device like this deployed on the lunar surface by the Apollo 11 crew in 1969 contained four seismometers powered by two panels of solar cells, which converted solar energy into electricity. The experiment measured lunar shock waves caused by moonquakes or impacts of meteoroids or of human-made objects on the surface. Data regarding the strength, duration, and approximate direction of the seismic event were relayed to receiving stations on Earth. The seismic instrument package continued sending data for several weeks after the Apollo 11 landing. The seismic experiments left on the surface by the crews of Apollo 11 and four later Apollo missions continued to return valuable information even after the end of the Moon landings.

This unit was the Qualification Model for the unit deployed during the Apollo 11 mission. It was donated to the Museum by the Bendix Corporation in 1972.

Display Status

This object is on display in Destination Moon at the National Air and Space Museum in Washington, DC.

Destination Moon

Object Details

Country of Origin

United States of America

Type

EQUIPMENT-Lunar

Manufacturer

Teledyne Corporation, Earth Sciences Division

Dimensions

Overall (Pallet): 9 1/16in. x 2ft 1 3/16in. x 2ft 3 9/16in. (23 x 64 x 70cm)
Other (PSE Cylinder): 9in. x 11in. (22.86 x 27.94cm)
Other (Solar panel extended): 1ft 1in. x 1/2in. x 6ft 1 1/4in. (33.02 x 1.27 x 186.06cm)

Materials

Aluminum
Gold Plating
Beryllium
Kapton
Mylar
Electrical wiring
Velcro
Steel
Rubber
Paint
Photosensitive cells

Inventory Number

A19730062000

Credit Line

Donated by the Bendix Corp.

Data Source

National Air and Space Museum

Restrictions & Rights

Usage conditions apply
For more information, visit the Smithsonian’s Terms of Use.

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National Air and Space Museum

6th St. and Independence Ave SW
Washington, DC 20560

202-633-2214

Open daily
10:00 am - 5:30 pm
Free Timed-Entry Passes
Required

Steven F. Udvar-Hazy Center

14390 Air and Space Museum Parkway
Chantilly, VA 20151

703-572-4118

Open daily
10:00 am - 5:30 pm
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