With readings from Apollo 14 and 15 dust detectors restored, new data is available forty years after the last Apollo spacecraft launched.

An Apollo 14 astronaut deploys the Apollo Lunar Surface Experiments Package's power source (foreground) and "Central Station" (background), where the Lunar Dust Detector was mounted.

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The Apollo Lunar Surface Experiments Package, the descent stage of the lunar module, and the paths left by astronauts Alan Shepard and Edgar Mitchell are visible in this image of the Apollo 14 site taken by NASA's Lunar Reconnaissance Orbiter. Credit: NASA/GSFC/ASU