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Fundamental Physics Missions

ESA research activities in the fundamental physics domain are centered on high-precision metrology in order to test metric theories of gravity, in particular Einstein's General Relativity.
Precision tracking of space and time variations - whether in the form of clocks, interferometers or orbit descriptions -plays a crucial role in this context, together with the ability to obtain clean free-fall.

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This page was first created on 31 October, 2003 and was last updated on 27 August, 2015.
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