![]() GSFC is responsible for the Roman Space Telescope Project. ![]() NASA’s Jet Propulsion Laboratory (JPL) is building the Roman Coronagraph and is involved with detector validation and developing the Coronagraph’s observation capabilities. The Roman Space Telescope’s Coronagraph Instrument (Roman Coronagraph) will perform high-contrast imaging and spectroscopy of dozens of individual nearby exoplanets. In addition, it will perform a microlensing survey of the inner Milky Way to find ~2,600 exoplanets. As the primary instrument, the Wide Field Instrument will measure light from a billion galaxies over the course of the mission lifetime. The Wide Field Instrument will have a field of view that is 100 times greater than the Hubble infrared instrument, capturing more of the sky with less observing time. The Roman Space Telescope will have two instruments: the Wide Field Instrument and the Coronagraph Instrument. The telescope has a primary mirror that is 2.4 meters in diameter (7.9 feet), and is the same size as the Hubble Space Telescope's primary mirror. The Roman Space Telescope (NASA-led and managed by NASA's Goddard Space Flight Center GSFC) is designed for a five-year mission, and will launch out of Cape Canaveral in the mid-2020s to L2. The Nancy Grace Roman Space Telescope, formerly the Wide Field InfraRed Survey Telescope (WFIRST), is a NASA observatory designed to settle essential questions in the areas of dark energy, exoplanets and infrared astrophysics.
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