The emplacement of the Apollo II retro-reflector package on the lunar surface has made possible very accurate measurements of the lunar distance. A continuing program of range measurements to the package at nearly all phases of the moon is being carried out by the McDonald Observatory under NASA support. Returned signals have also been obtained by the Pic du Midi Observatory in France and by the AFCRL Lunar Laser Observatory near Tucson, Arizona. It is hoped that several other lunar ranging stations will be in operation within the next year or two, including ones in Japan, Hawaii, Russia, and the southern hemisphere. (Author)
The Lunar Laser Ranging Experiment
1970
4 pages
Report
Keine Angabe
Englisch
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