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Loading contentAlso known as Roman, WFIRST
The Nancy Grace Roman Space Telescope is a planned NASA wide-field infrared observatory for dark-energy and exoplanet surveys. It is not yet operational.
Facts on this topic will be cited from these primary and reference sources.
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.