NASA Tests Deployment of Roman Space Telescope’s ‘Visor’

The 8220;visor8221; for NASAs Nancy Grace Roman Space Telescope recently completed several environmental tests simulating the conditions it will experience during launch and in space. Called the Deployable Aperture Cover, this large sunshade is designed to keep unwanted light out of the telescope. This milestone marks the halfway point for the covers final sprint of 8230;. https://www.nasa.gov/missi...
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