LISA Pathfinder Test Mass (IMAGE)

American Physical Society

LISA Pathfinder Test Mass

Caption

Test masses carved from blocks of high purity gold-platinum alloy, and weighing nearly 2 kilograms, are flying aboard the LISA Pathfinder spacecraft in the development of systems that will detect gravitational waves as part of the forthcoming LISA space-based gravitational wave observatory.

Credit

European Space Agency, CGS SpA

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