NASAのインスタグラム(nasagoddard) - 6月1日 00時21分

Prior to taking a new telescope into space, engineers must put the spacecraft and its instruments through a "spin cycle" test for durability to ensure they'll still work after experiencing the forces of a rocket launch. Finding out they don't work once they're in orbit is too late. The structure that houses the science instruments of the James Webb Space Telescope is undergoing that cycle of tests during the weeks of May 23 and 30 at NASA's Goddard Space Flight Center in Greenbelt, Md. This structure is called the Integrated Science Instrument Module, or ISIM. In this photograph the ISIM structure is in the process of being loaded onto the centrifuge at NASA's Goddard Space Flight Center, Greenbelt, Md. Credit: NASA/GSFC/Katie Lilly

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