Nancy Grace Roman Space Telescope enters final commissioning phase

The $4.3 billion Nancy Grace Roman Space Telescope is completing its final commissioning phase in space, Tech Insider reported. A SpaceX Falcon Heavy rocket launched the uncrewed 300-megapixel infrared observatory on 30 August 2026 at 7:26 a.m. ET from Launch Complex 39A at Kennedy Space Center. [1][3][5]

The observatory launched toward a Sun-Earth L2 orbit, Wikipedia noted. The mission is named after NASA's first chief astronomer, Nancy Grace Roman, who earned a doctorate in astronomy in 1949 and was known as the Mother of Hubble for her work on NASA's first major space telescope, as FTMQ Space reported earlier. [3][5]

Engineers previously adjusted a mirror on the spacecraft by one-sixteenth the width of a human hair, as FTMQ Space reported earlier. That adjustment improved the image quality of the Wide Field Instrument beyond initial predictions by nearly 30%. [6]

The primary science objectives of the mission involve answering cosmological questions about dark energy using wide-field infrared surveys to measure weak gravitational lensing, baryon acoustic oscillations, and supernova distances. The observatory will also detect exoplanets through microlensing surveys toward the galactic bulge to identify planets across a wide mass range, including Earth-like worlds in habitable zones. [4]