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An official website of the United States government

Astrolink Online Exhibits

The NASA/USGS Astrolink is dedicated to providing online exhibits of archived materials. Astrolink houses a large collection of historical artifacts in relation to space exploration, map-making, and planetary geology.


Astronaut Jim Irwin Salutes Flag on the Moon
Astronaut Jim Irwin salutes the American Flag on the Moon during the Apollo 15 mission.(Public domain.)