Global Change Master Directory gsfc-gcmduso@mail.nasa.gov 50 2013-05-25T10:36:56Z http://mddemo.gsfc.nasa.gov/KeywordSearch/OpenSearch.do 1 0 http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CDDIS_LLR_data -180.0,-40.0,180.0,40.0 1969-07-01T00:00:00Z T00:00:00Z 2008-12-04T05:00:00Z

Lunar Laser Ranging (LLR) measures the distance between the Earth and the Moon using laser ranging. A short pulse of coherent light generated by a laser (Light Amplification by Stimulated Emission ...