NASA Astronomy Picture of the Day Collection
Apollo 14 Deploys ALSEP
After the lunar module [ http://antwrp.gsfc. ] of Apollo 14 [ http://bang.lanl.go ] set down on the Moon [ http://antwrp.gsfc. ], Astronauts Alan Shepard and Edgar Mitchell deployed the Apollo Lunar Surface Experiments Package (ALSEP) and collected samples of lunar material. The ALSEP scientific experiments included a seismometer [ http://gldfs.cr.usg ] sensitive to slight lunar surface movements, and charged particle detectors which measured the solar wind [ http://antwrp.gsfc. ]. The seismometer successfully measured surface tremors interpreted as moonquakes [ http://antwrp.gsfc. ] and meteoroids [ http://ccf.arc.nasa ] striking the Moon [ http://antwrp.gsfc. ], while the solar wind [ http://www.sel.bldr ] experiment was sensitive enough to detect the element argon [ http://www.cchem.be ]. These and other ALSEP experiments helped classify the internal structure and magnetic field of Earth's Moon [ http://antwrp.gsfc. ]. Shepard and Mitchell also made a geology traverse to the rim of Cone Crater, carrying their tools and sample containers in the Modular Equipment Transporter (MET). In this picture Alan Shepard assembles a core tube which he will then hammer into the surface.
Credit and Copyright:
Alan B. Shepard, Jr.
Goddard Space Flight Center (GSFC)
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