The LISA Pathfinder Mission. Tracing Einstein's Geodesics in Space

Details The LISA Pathfinder Mission. Tracing Einstein's Geodesics in Space The LISA Pathfinder Mission. Tracing Einstein's Geodesics in Space

Mar 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010ssrv..151..159r&link_type=abstract

Space Science Reviews, Volume 151, Issue 1-3, pp. 159-181

Physics

Scientific paper

LISA Pathfinder, formerly known as SMART-2, is the second of the European Space Agency’s Small Missions for Advance Research and Technology, and is designed to pave the way for the joint ESA/NASA Laser Interferometer Space Antenna (LISA) mission, by testing the core assumption of gravitational wave detection and general relativity: that free particles follow geodesics. The new technologies to be demonstrated in a space environment include: inertial sensors, high precision laser interferometry to free floating mirrors, and micro-Newton proportional thrusters. LISA Pathfinder will be launched on a dedicated launch vehicle in late 2011 into a low Earth orbit. By a transfer trajectory, the sciencecraft will enter its final orbit around the first Sun-Earth Lagrange point. First science results are expected approximately 3 months thereafter. Here, we give an overview of the mission including the technologies being demonstrated.

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