7 Min Read Building Roman NASA’s Nancy Grace Roman Space Telescope is now assembled following the integration of its two major segments, shown in this time-lapse. Credits: NASA/Sophia RobertsAshley Balzer Jan 29, 2026 ArticleContents TelescopeDetectorsWide Field InstrumentCoronagraph InstrumentSolar Panels Technicians have completed the construction of NASA's Nancy Grace Roman Space Telescope. NASA’s freshly assembled Nancy Grace Roman Space Telescope will revolutionize our understanding of the universe with its deep, crisp, sweeping infrared views of space. Credit: NASA/Chris GunnPrincipal technician Billy Keim installs a cover plate over the detectors for NASA’s Nancy Grace Roman Space Telescope. We stand to learn a tremendous amount of new information about the universe very rapidly after Roman launches.” Julie Mcenery Roman senior project scientist at NASA GoddardNow, Roman will undergo testing as a full observatory.