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yesterday

Roman Space Telescope Launches on Three‑Month Journey to L2

Panoramic infrared surveys will map billions of galaxies to probe dark matter and dark energy.

Image
A SpaceX Falcon Heavy rocket lifts off carrying NASA's Nancy Grace Roman Space Telescope at the Kennedy Space Center in Cape Canaveral, Florida, U.S., August 30, 2026. REUTERS/Joe Skipper
Credit: Pascal Fouquet
This infographic shows the complementary capabilities of select instruments on two of NASA's flagship missions: the nearly complete Nancy Grace Roman Space Telescope and the James Webb Space Telescope. The Roman Space Telescope will use a much larger field of view to create enormous panoramas of the infrared universe with the same high resolution as the Hubble Space Telescope. Webb will peer deeper into the infrared to see across farther stretches of space with a more powerful but narrower field of view.

Overview

  • NASA’s Nancy Grace Roman Space Telescope, which launched Sunday from Kennedy Space Center atop a SpaceX Falcon Heavy, separated from the rocket and began a roughly three‑month cruise to the Sun–Earth L2 point.
  • Mission teams confirmed early flight milestones minutes after liftoff with telemetry acquisition, booster recovery, and the successful deployment of solar arrays and the instrument sunshade within the first two hours.
  • Roman will spend about 90 days commissioning while en route to L2, during which controllers will deploy antennas and covers, perform trajectory corrections, switch on the coronagraph soon, and bring the 300‑megapixel Wide Field Instrument online in the coming weeks.
  • The Wide Field Instrument is a 300‑megapixel near‑infrared camera with a field of view far larger than Hubble’s that will enable rapid, large‑area surveys producing roughly 1–1.4 TB of data per day to study dark matter, dark energy, black holes and exoplanets.
  • International partners including ESA supplied hardware and ground‑station support, Roman will release large public data sets for community use, and its coronagraph demonstration is designed to advance technologies for future direct imaging of exoplanets while heavy data rates will require AI, machine learning and citizen science to triage discoveries.