The 'visor' for NASA’s Nancy Grace Roman Space Telescope recently completed several environmental tests simulating the conditions it will experience during
In this clip, engineers are testing the the Nancy Grace Roman Space Telescope ’s Deployable Aperture Cover. This component is responsible for keeping light out of the telescope barrel. It will be deployed once in orbit using a soft material attached to support booms and remains in this position throughout the observatory’s lifetime. Credit: NASA’s Goddard Space Flight Center
“With a soft deployable like the Deployable Aperture Cover, it’s very difficult to model and precisely predict what it’s going to do — you just have to test it,” said Matthew Neuman, a Deployable Aperture Cover mechanical engineer at Goddard. “Passing this testing now really proves that this system works.”
“This was probably the environmental test we were most nervous about,” said Brian Simpson, project design lead for the Deployable Aperture Cover at NASA Goddard. “If there’s any reason that the Deployable Aperture Cover would stall or not completely deploy, it would be because the material became frozen stiff or stuck to itself.”
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