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Roman is a survey telescope, designed to capture vast swaths of sky. But it will do so with revolutionary precision, sensitivity, and depth. The key to doing this is the heart of Roman’s Wide Field Instrument: a massive camera with 18 next-generation detectors. Each one captures a 4000x4000-pixel image, and together they will take pictures covering 100 times more sky than either Hubble or Webb.
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Roman will expand our catalogue of known worlds, and Webb will add detail to many entries within that catalogue. Together, they are poised to make some of the most important planetary discoveries of our lifetime.", "items": [ { "id": 503745, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 1195524, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a014900/a014942/GalacticBulgeSurveyLocations_WebbFollowUp_Still.jpg", "filename": "GalacticBulgeSurveyLocations_WebbFollowUp_Still.jpg", "media_type": "Image", "alt_text": "This animation shows a view of the Milky Way’s galactic bulge, where Roman will conduct a survey and should find thousands of new planets. It gives a representation of these discoveries and then a follow-up by Webb with detailed spectral information to determine the planet’s composition.Roman will expand our catalogue of known worlds, and Webb will add detail to many entries within that catalogue. Together, they are poised to make some of the most important planetary discoveries of our lifetime.", "width": 3840, "height": 2160, "pixels": 8294400 } }, { "id": 503743, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 1195522, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a014900/a014942/GalacticBulgeSurveyLocations_WebbFollowUp_4k.mp4", "filename": "GalacticBulgeSurveyLocations_WebbFollowUp_4k.mp4", "media_type": "Movie", "alt_text": "This animation shows a view of the Milky Way’s galactic bulge, where Roman will conduct a survey and should find thousands of new planets. It gives a representation of these discoveries and then a follow-up by Webb with detailed spectral information to determine the planet’s composition.Roman will expand our catalogue of known worlds, and Webb will add detail to many entries within that catalogue. Together, they are poised to make some of the most important planetary discoveries of our lifetime.", "width": 3840, "height": 2160, "pixels": 8294400 } }, { "id": 503744, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 1195523, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a014900/a014942/GalacticBulgeSurveyLocations_WebbFollowUp_ProRes_3840x2160_2997.mov", "filename": "GalacticBulgeSurveyLocations_WebbFollowUp_ProRes_3840x2160_2997.mov", "media_type": "Movie", "alt_text": "This animation shows a view of the Milky Way’s galactic bulge, where Roman will conduct a survey and should find thousands of new planets. It gives a representation of these discoveries and then a follow-up by Webb with detailed spectral information to determine the planet’s composition.Roman will expand our catalogue of known worlds, and Webb will add detail to many entries within that catalogue. Together, they are poised to make some of the most important planetary discoveries of our lifetime.", "width": 3840, "height": 2160, "pixels": 8294400 } } ], "extra_data": {} }, { "id": 379388, "url": "https://svs.gsfc.nasa.gov/14942/#media_group_379388", "widget": "Video player", "title": "", "caption": "", "description": "Webb is designed to see very redshifted light so that it can study the first, most distant galaxies.
The Roman Space Telescope, on the other hand, isn’t trying to see quite as deep into the universe’s history. Roman does have filters to see infrared light, but not as far into the range as Webb because its targets aren’t as redshifted. And Roman’s mirror can be smaller because it isn’t trying to detect such faint objects.", "items": [ { "id": 503734, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 1195455, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a014900/a014942/FaW_RomanWebb_SpectrumRangeAndMirrors_Still.jpg", "filename": "FaW_RomanWebb_SpectrumRangeAndMirrors_Still.jpg", "media_type": "Image", "alt_text": "Webb is designed to see very redshifted light so that it can study the first, most distant galaxies.The Roman Space Telescope, on the other hand, isn’t trying to see quite as deep into the universe’s history. Roman does have filters to see infrared light, but not as far into the range as Webb because its targets aren’t as redshifted. 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", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 503742, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 1195465, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a014900/a014942/FaW_WebbTemperatures.mp4", "filename": "FaW_WebbTemperatures.mp4", "media_type": "Movie", "alt_text": "This animation shows a rotating Webb model and some of the different system operating temperatures. Webb has a very robust system, including the multi-layer sunshields, to keep it extremely cool. ", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 503741, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 1195463, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a014900/a014942/FaW_WebbTemperatures_ProRes_1920x1080_2997.mov", "filename": "FaW_WebbTemperatures_ProRes_1920x1080_2997.mov", "media_type": "Movie", "alt_text": "This animation shows a rotating Webb model and some of the different system operating temperatures. Webb has a very robust system, including the multi-layer sunshields, to keep it extremely cool. ", "width": 1920, "height": 1080, "pixels": 2073600 } } ], "extra_data": {} } ], "studio": "gms", "funding_sources": [ "NASA Astrophysics" ], "credits": [ { "role": "Producer", "people": [ { "name": "Scott Wiessinger", "employer": "eMITS" } ] }, { "role": "Animator", "people": [ { "name": "Scott Wiessinger", "employer": "eMITS" }, { "name": "Jenny McElligott", "employer": "eMITS" }, { "name": "Krystofer Kim", "employer": "eMITS" }, { "name": "Jonathan North", "employer": "eMITS" } ] } ], "missions": [ "Nancy Grace Roman Space Telescope" ], "series": [ "Astrophysics Animations", "Astrophysics Visualizations" ], "tapes": [], "papers": [], "datasets": [], "nasa_science_categories": [ "Universe" ], "keywords": [ "JWST", "Nancy Grace Roman Space Telescope", "Webb Telescope" ], "recommended_pages": [], "related": [ { "id": 14943, "url": "https://svs.gsfc.nasa.gov/14943/", "page_type": "Produced Video", "title": "Far and Wide: Additional Graphics", "description": "This page houses animation clips from the Far and Wide video series, which may be useful in presentations or other video products. || ", "release_date": "2026-01-20T11:00:00-05:00", "update_date": "2026-01-16T21:53:09-05:00", "main_image": { "id": 1195505, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a014900/a014943/FaW_Precision3DMapping_Still_searchweb.png", "filename": "FaW_Precision3DMapping_Still_searchweb.png", "media_type": "Image", "alt_text": "This animation shows a representative selection of objects in the universe and then encloses them in a cube and measures each one. Roman’s wide view will allow it to study enough large-scale structure of the universe in high precision for scientists to begin understanding its true nature, including dark energy and dark matter, and viewing early galaxies as a population rather than a few individuals who may or may not be “average.” ", "width": 320, "height": 180, "pixels": 57600 } } ], "sources": [], "products": [ { "id": 14891, "url": "https://svs.gsfc.nasa.gov/14891/", "page_type": "Produced Video", "title": "Far and Wide: Roman and Webb's Overlapping Roles in Understanding Our Universe", "description": "The four Roman/Webb Far and Wide videos that detail the differences between the two missions, why we need both, what they will do and how they will work together.", "release_date": "2026-01-20T11:00:00-05:00", "update_date": "2026-01-29T10:41:29.734222-05:00", "main_image": { "id": 1159452, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a014800/a014891/FarandWide_Part_1_Differences_Still.jpg", "filename": "FarandWide_Part_1_Differences_Still.jpg", "media_type": "Image", "alt_text": "Differences", "width": 1920, "height": 1080, "pixels": 2073600 } } ], "newer_versions": [], "older_versions": [], "alternate_versions": [] }