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First CHAMP Mission Results for Gravity, Magnetic and Atmospheric Studies [E-Book] /
Table of Contents: ... determination of trajectories for low earth satellites using GPS -- The CHAMP orbit comparison campaign -- Total density retrieval with STAR -- CHAMP gravity field recovery with the energy balance approach: first results -- Gravitational field modelling from CHAMP...

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The Sun’s Surface and Subsurface [E-Book] : Investigating Shape and Irradiance /
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From Extrasolar Planets to Cosmology: The VLT Opening Symposium [E-Book] : Proceedings of the ESO Symposium Held at Antofagasta, Chile, 1-4 March 1999 /