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Her Wikipedia page also includes this picture (public domain), where she wears the same dress, and where a similar display can be seen in the background: Roman sits at the control console for the Orbiting Astronomical Observtory satellite, launched in 1972 and nicknamed Copernicus. This is a publicity picture; she never actually worked in the Goddard ...


3

A reflection grating reflects its dispersed light away from the beam of the incoming light; a transmission grating or prism refracts it off at an angle to the incoming light as well. In both cases, you have to build the final part of the spectrograph (the imager with its sensor) at an angle to the optical axis of the instrument. This means that if you want ...


3

By offsetting the SCA columns, the Field of View layout follows the natural annular curve of an off-axis TMA optimized field. Short answer: Yes, off axis aberration magic. Longer answer: The following journal article, "Optical design and predicted performance of the WFIRST phase-b imaging optics assembly and wide field instrument" (Bert et al., ...


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