Alpha Magnetic Spectrometer NASA

The Alpha Magnetic Spectrometer by NASA, also designated AMS-02, is a particle physics experiment module that is mounted on the International Space Station. It is designed to measure antimatter in cosmic rays and search for evidence of dark matter. This information is needed to understand the formation of the Universe. The principal investigator is Nobel laureate particle physicist Samuel Ting. The launch of Space Shuttle Endeavour flight STS-134 carrying AMS-02 took place on 16 May 2011, and the spectrometer was installed on 19 May 2011. In July 2012, reported that AMS-02 had recorded over 18 billion cosmic ray events since its installation.

The AMS-02 experiment is a state-of-the-art particle physics detector that is constructed, tested and operated by an international team composed of 56 institutes from 16 countries and organized under United States Department of Energy (DOE) sponsorship. The JSC AMS project office oversaw the overall payload integration activities and ensured that the payload is safe and ready for launch on the Space Shuttle and and continues to be safe since its deployment onto the ISS. The AMS Experiment uses the unique environment of space to advance knowledge of the universe and lead to the understanding of the universe’s origin. AMS was launched on Space Shuttle Endeavour on May 16, 2011.
Operations on the ISS began three days later, and AMS continues operations onboard the ISS today.

STS-134 Mission PatchPicture of AMS Logo

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