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Satellite laser-ranging as a probe of fundamental physics

Mar. 19 - 14:30 - 2020

Speaker: Richard Matzner (Texas U.)

Title: Satellite laser-ranging as a probe of fundamental physics

Satellite laser-ranging is successfully used in space geodesy, geodynamics and Earth sciences; and to test fundamental physics and specific features of General Relativity. We present a confirmation to approximately one part in a billion of the fundamental weak equivalence principle (“uniqueness of free fall”) in the Earth’s gravitational field, obtained with three laser-ranged satellites, at previously untested range and with previously untested materials. the weak equivalence principle is at the foundation of General Relativity and of most gravitational theories

Room: Zoom videoconference (contact justin.feng@tecnico.ulisboa.pt for URL)

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