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Khabre desk
Recent reporting, analysis and explainers from the Space Telescopes desk.
science
NASA says the Nancy Grace Roman Space Telescope has completed its observatory checkout and entered science commissioning. Teams are now testing performance, calibrating the instruments and refining image quality before science operations.
science
NASA says the Nancy Grace Roman Space Telescope’s Wide Field Instrument reached an optical error of 63 nanometers RMS after commissioning adjustments, against an image-quality requirement of about 90 nanometers RMS. The team describes the instrument’s performance as nearly 30% better than predicted.
science
NASA and SpaceX are targeting no earlier than Aug. 30, 2026, for the launch of the Nancy Grace Roman Space Telescope aboard a Falcon Heavy rocket. The observatory will study dark energy, dark matter and planetary systems.