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NASA’s Roman Telescope Launches and Heads Toward L2

Its vast, fast infrared surveys will reshape studies of dark energy by mapping billions of galaxies.

Overview

  • The Roman Space Telescope, which launched Sunday, August 30, 2026, aboard a SpaceX Falcon Heavy, reached orbit and began a roughly three-month, ~1–1.5 million‑mile transit to a quasi‑halo orbit around the Sun–Earth L2 point.
  • Early post‑launch steps proceeded nominally with telemetry, stage separation, booster recovery, solar‑array and lower sunshade deployments completed and communications handed to NASA’s Deep Space Network.
  • Mission teams will next deploy the high‑gain antenna and aperture cover, perform a scheduled midcourse correction, switch on the Coronagraph Instrument first, and activate the 300‑megapixel Wide Field Instrument in the coming weeks during a roughly 100‑day commissioning phase.
  • Roman pairs a 2.4‑meter mirror with a wide‑field infrared camera that has at least 100 times Hubble’s field of view and survey speeds up to about 1,000× faster, producing roughly 1.4 terabytes of public data per day for AI, machine‑learning and citizen‑science analysis.
  • Built with a donated NRO mirror, delivered ahead of schedule and on budget for about $4.3 billion, the mission includes key ESA contributions for hardware and ground support and may conserve fuel thanks to a precise launch, which could extend operations beyond the five‑year primary baseline.