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|Title: ||Lunar laser ranging science : gravitational physics and lunar interior and geodesy|
|Authors: ||Williams, James G.|
Turyshev, Slava G.
Boggs, Dale H.
Ratcliff, J. Todd
Lunar Laser Ranging (LLR)
|Issue Date: ||18-Jul-2004 |
|Publisher: ||Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2004.|
|Citation: ||35th COSPAR Scientific Assembly, Paris, France, July 18-24, 2006.|
|Abstract: ||Laser pulses fired at retroreflectors on the Moon provide very accurate ranges. Analysis yields information on Earth, Moon, and orbit. The highly accurate retroreflector positions have uncertainties less than a meter. Tides on the Moon show strong dissipation, with Q=33±4 at a month and a weak dependence on period. Lunar rotation depends on interior properties; a fluid
core is indicated with radius ~20% that of the Moon. Tests of relativistic gravity verify the equivalence principle to ±1.4~10-¹³, limit deviations from Einstein’s general relativity, and show no rate for the gravitational constant G/G with uncertainty 9x10-¹³/yr.|
|Appears in Collections:||JPL TRS 1992+|
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