# Roman Space Telescope Infographics & Diagrams

- ["Stars by the Billions" Fact Sheet](https://roman.mixinvisuals.com/image/pf99e5590b679/stars-by-the-billions-fact-sheet/) — May 21, 2026: Stars by the Billions - Nancy Grace Roman Space Telescope - June 2021
- ["Galaxies by the Millions" Fact Sheet](https://roman.mixinvisuals.com/image/pf1ab91351ef5/galaxies-by-the-millions-fact-sheet/) — May 21, 2026: Roman Space Telescope: Galaxies by the Millions
- [Roman US Partner Map](https://roman.mixinvisuals.com/image/pe489d7b7147f/roman-us-partner-map/) — May 21, 2026: Roman Partner Map USA
- [Sn map](https://roman.mixinvisuals.com/image/pe1230a0fe0c5/sn-map/) — May 21, 2026
- [High-Latitude Wide-Area Survey](https://roman.mixinvisuals.com/image/pcd19a3c8ac04/high-latitude-wide-area-survey/) — May 21, 2026: An infographic of Roman's High-Latitude Wide-Area Survey
- [Roman vs Webb - Spectrum Range and Mirrors](https://roman.mixinvisuals.com/image/pcc93d8020324/roman-vs-webb-spectrum-range-and-mirrors/) — May 21, 2026: 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…
- ["Cosmology with Roman" Fact Sheet](https://roman.mixinvisuals.com/image/pcc250da16fee/cosmology-with-roman-fact-sheet/) — May 21, 2026: Cosmology with Roman - Nancy Grace Roman Space Telescope - June 2021
- [Roman's Field of View](https://roman.mixinvisuals.com/image/pbee2aa144640/roman-s-field-of-view/) — May 21, 2026: Nancy Grace Roman Space Telescope Field-of-View
- [2026 Roman Poster (Spanish)](https://roman.mixinvisuals.com/image/pabe9936ae18f/2026-roman-poster-spanish/) — May 21, 2026: Póster del telescopio espacial Nancy Grace Roman
- ["Mission, Operations, and User Tools" Fact Sheet](https://roman.mixinvisuals.com/image/p9af3f4a1a8a1/mission-operations-and-user-tools-fact-sheet/) — May 21, 2026: Nancy Grace Roman Space Telescope - Mission, Operations, and User Tools - June 2021
- [Community Surveys Poster](https://roman.mixinvisuals.com/image/p997343c29fe8/community-surveys-poster/) — May 21, 2026
- [Roman by the Numbers](https://roman.mixinvisuals.com/image/p98f02c58ac04/roman-by-the-numbers/) — May 21, 2026
- [Measuring redshifts of tens of millions of galaxies](https://roman.mixinvisuals.com/image/p97098ed6d7bf/measuring-redshifts-of-tens-of-millions-of-galaxies/) — May 21, 2026: The spectroscopic component of the High Latitude Wide Area Survey measures redshifts of tens of millions of galaxies via grism spectroscopy using the WFI over at least a 1700 deg 2 region that overlaps the region.
- [Roman Space Telescope Redshift](https://roman.mixinvisuals.com/image/p8ec532ed37c8/roman-space-telescope-redshift/) — May 21, 2026: Roman Space Telescope Redshift Infographic
- [Roman Subsystems](https://roman.mixinvisuals.com/image/p8b1c3b554354/roman-subsystems/) — May 21, 2026: Roman Systems Infographic
- [Roman Detector Field of View](https://roman.mixinvisuals.com/image/p8811582b07e4/roman-detector-field-of-view/) — May 21, 2026: Roman is a survey telescope, designed to capture vast swaths of sky. But it will do so with revolutionary precision, sensitivity, and depth. The Wide Field Instrument's detectors capture a 4000x4000-pixel image, and together they will take pictures covering…
- [The Nancy Grace Roman Space Telescope Field of View Poster](https://roman.mixinvisuals.com/image/p8703fce54640/the-nancy-grace-roman-space-telescope-field-of-view-poster/) — May 21, 2026
- [2026 Roman Poster (English)](https://roman.mixinvisuals.com/image/p81aa4c1bb367/2026-roman-poster-english/) — May 21, 2026: Nancy Grace Roman Space Telescope Poster
- [Comparison of observatories in the 2020s and their windows into the electromagnetic spectrum](https://roman.mixinvisuals.com/image/p739615d7df38/comparison-of-observatories-in-the-2020s-and-their-windows-into-the/) — May 21, 2026: Comparison of observatories in the 2020s and their windows into the electromagnetic spectrum.
- [High-Latitude Time-Domain Survey](https://roman.mixinvisuals.com/image/p663accaeedad/high-latitude-time-domain-survey/) — May 21, 2026: Roman High-Latitude Time-Domain Survey Infographic
- [Roman and Webb Comparison Graphic from Far and Wide](https://roman.mixinvisuals.com/image/p51e2bea0e2a4/roman-and-webb-comparison-graphic-from-far-and-wide/) — May 21, 2026
- [Roman Maryland Partner Map](https://roman.mixinvisuals.com/image/p4d154aae0521/roman-maryland-partner-map/) — May 21, 2026
- [Roman Microlensing Search Space](https://roman.mixinvisuals.com/image/p4c25a1b4a0aa/roman-microlensing-search-space/) — May 21, 2026: Roman's Field of View is compared to that of the Kepler space telescope. Kepler’s original survey monitored stars at an average distance of around 2,000 light-years where Roman's will find planets up to 26,000 light-years away.
- [Roman World Partner Map](https://roman.mixinvisuals.com/image/p4473872e985d/roman-world-partner-map/) — May 21, 2026
- [Content of the Universe](https://roman.mixinvisuals.com/image/p3f3524afd8ea/content-of-the-universe/) — May 21, 2026: This pie chart shows rounded values for the three known components of the universe: normal matter, dark matter, and dark energy.
- [Coronagraph Instrument Poster](https://roman.mixinvisuals.com/image/p349835601d08/coronagraph-instrument-poster/) — May 21, 2026
- [Roman FOV Eagle View Poster2021](https://roman.mixinvisuals.com/image/p106d949a3cc1/roman-fov-eagle-view-poster2021/) — May 21, 2026
- [Galactic Bulge Time-Domain Survey](https://roman.mixinvisuals.com/image/p079b17ca9fdd/galactic-bulge-time-domain-survey/) — May 21, 2026: Roman Galactic Bulge Time-Domain Survey Infographic
- [Wide Field Instrument Poster](https://roman.mixinvisuals.com/image/p0740f0531d08/wide-field-instrument-poster/) — May 21, 2026
- [Microlensing Infographic](https://roman.mixinvisuals.com/image/n1218340/microlensing-infographic/) — May 11, 2026: This graphic illustrates a microlensing event, which occurs when the light from a distant object warps as a mass, such as a foreground star, precisely aligns in front of that object. This causes the more distant background star to increase in apparent…
- [Hubble/Roman Galactic Bulge Survey Region (VISTA VVV Survey)](https://roman.mixinvisuals.com/image/n1218336/hubble-roman-galactic-bulge-survey-region-vista-vvv-survey/) — May 11, 2026: This VISTA VVV Survey image shows the galactic bulge near Sagittarius A*, the supermassive black hole at the Milky Way’s center. A region planned for observation by NASA’s Nancy Grace Roman Space Telescope is outlined. This area has been observed by NASA’s…
- [Observation Surveys](https://roman.mixinvisuals.com/image/p196ab8d8ac04/observation-surveys/) — April 9, 2026: To fulfill the mission’s top-level science objectives, Roman will conduct three core community surveys.
- [The Medium Tier will enable the study of local galaxies, Milky Way stellar populations, and the…](https://roman.mixinvisuals.com/image/pece480506f2c/the-medium-tier-will-enable-the-study-of-local-galaxies-milky-way-stellar/) — January 30, 2026: The Medium Tier will enable the study of local galaxies, Milky Way stellar populations, and the relation between galaxies and dark matter over a vast span of redshifts via a 2400 deg 2 Y-, J-, and H-band imaging and grism spectroscopic survey.
- [The Extended Component provides deep imaging tier observations (from the Core Component) over 8…](https://roman.mixinvisuals.com/image/pe51442dfe666/the-extended-component-provides-deep-imaging-tier-observations-from-the-core/) — January 30, 2026: The Extended Component provides deep imaging tier observations (from the Core Component) over 8 epochs with a cadence of 120 days.
- [Roman Galactic Bulge Time-Domain Survey Infographic](https://roman.mixinvisuals.com/image/pd837b55c9fdd/roman-galactic-bulge-time-domain-survey-infographic/) — January 30, 2026
- [WFI focal plane persistence decay curves](https://roman.mixinvisuals.com/image/pd538a1309480/wfi-focal-plane-persistence-decay-curves/) — January 30, 2026: WFI focal plane persistence decay curves. Curves are shown for each SCA in the focal plane during a series of dark measurements that occurred after 56 frames of ~900 e - /s flat field illumination. These measurements were performed during WFI TVAC2 with the…
- [Roman F158 Effective Area](https://roman.mixinvisuals.com/image/pd232236f3e5a/roman-f158-effective-area/) — January 30, 2026: The plot illustrates both these effects by comparing the effective area for SCAs 1 and 9 for filter F158.
- [Roman WFI and it's subsystems diagram](https://roman.mixinvisuals.com/image/pd00f49e2cd2a/roman-wfi-and-it-s-subsystems-diagram/) — January 30, 2026: The Wide Field Instrument (WFI) and its subsystems
- [Roman effective area color](https://roman.mixinvisuals.com/image/pb37b630ea42b/roman-effective-area-color/) — January 30, 2026: This figure shows the effective area for the full set of Roman filters and dispersers, for SCA #1.
- [Roman Effective Area - Grism Prism](https://roman.mixinvisuals.com/image/p89fc47ddf515/roman-effective-area-grism-prism/) — January 30, 2026: The effective area as a function of wavelength for the Grism and Prism.
- [LED Bandpass Properties](https://roman.mixinvisuals.com/image/p88d9cc8dd36f/led-bandpass-properties/) — January 30, 2026: Plot of the RCS LED bandpasses (darker, colored, shaded regions; see also table below) compared WFI photometric filter wavelength ranged (lighter, colored, shaded regions), and the quantum efficiency (QE) curve of SCA1 (black line).
- [Roman/ WFI Quantum Efficiency for each Sensor Chip Assembly](https://roman.mixinvisuals.com/image/p765bc20315ed/roman-wfi-quantum-efficiency-for-each-sensor-chip-assembly/) — January 30, 2026: The Roman/WFI quantum efficiency for each of its 18 SCAs.
- [High-Latitude Wide-Area Survey [figure A]](https://roman.mixinvisuals.com/image/p6ea37a5ae2e6/high-latitude-wide-area-survey-figure-a/) — January 30, 2026: The proposed High-Latitude Wide-Area Survey regions in equatorial cylindrical equal area projection with the Medium (yellow), Wide (red), and Deep (grey) fields denoted.
- [The Wide Tier will add an additional 2700 deg 2 in the H-band alone to more than double the total…](https://roman.mixinvisuals.com/image/p565c37ef4d59/the-wide-tier-will-add-an-additional-2700-deg-2-in-the-h-band-alone-to-more/) — January 30, 2026: The Wide Tier will add an additional 2700 deg 2 in the H-band alone to more than double the total area of the High-Latitude Wide-Area Survey (>5000 deg 2 ).
- [Roman Slew & Settle times](https://roman.mixinvisuals.com/image/p4b03220f820d/roman-slew-and-settle-times/) — January 30, 2026
- [Roman Observing Zone](https://roman.mixinvisuals.com/image/p37edb4b837b7/roman-observing-zone/) — January 30, 2026
- [Roman/WFI QE vs Median vs Wavelength](https://roman.mixinvisuals.com/image/p37d3021a15ed/roman-wfi-qe-vs-median-vs-wavelength/) — January 30, 2026: Roman/WFI median quantum efficiency of all SCAs.
- [RAPID Response: Hot-wiring the Next Generation of Time-Domain Science](https://roman.mixinvisuals.com/image/p657ec259235d/rapid-response-hot-wiring-the-next-generation-of-time-domain-science/) — January 13, 2026: March 23-27, 2026 [Pasadena, CA] This workshop addressed the software infrastructure needed to pursue breakthrough science enabled by low-latency alters, multi-wavelength/messenger discovery, machine learning, and science platforms/alert brokers/marshals.
- [Dark energy](https://roman.mixinvisuals.com/image/pd0f5aee4a25b/dark-energy/) — January 7, 2026: Coronagraph sensitivity
- [Roman Effective Area](https://roman.mixinvisuals.com/image/pb83eaa15a42b/roman-effective-area/) — January 7, 2026
- [Grawp comprison](https://roman.mixinvisuals.com/image/pa886b8363956/grawp-comprison/) — January 7, 2026
- [Roman microlensing technique](https://roman.mixinvisuals.com/image/p6ed8d50012de/roman-microlensing-technique/) — January 7, 2026: Roman will search for exoplanets using the microlensing technique displayed above. As a lens star moves across the line of sight of the telescope, an exoplanet will magnify a background star's signal. Credit: NASA
- [Roman Space Telescope science](https://roman.mixinvisuals.com/image/p69affba27767/roman-space-telescope-science/) — January 7, 2026
- [Coronagraph sensitivity](https://roman.mixinvisuals.com/image/p656182ca4978/coronagraph-sensitivity/) — January 7, 2026: The Roman Coronagraph sensitivity to detecting planets as a function of planet-to-star flux ratio and separation from the parent star. The Roman Coronagraph provides a 100 to 1000 times improvement over existing and planned facilities. [The source code and…
- [Sensitivity Roman vs. LSST and Euclid](https://roman.mixinvisuals.com/image/p6478bebf64ec/sensitivity-roman-vs-lsst-and-euclid/) — January 7, 2026
- [Roman's Forward Optical Assembly](https://roman.mixinvisuals.com/image/p57c22b9cd852/roman-s-forward-optical-assembly/) — January 7, 2026: The main pieces of Roman's Forward Optical Assembly. Credit: NASA
- [Microlensing Penny Plot](https://roman.mixinvisuals.com/image/p57b35643204d/microlensing-penny-plot/) — January 7, 2026
- [Layout of a nominal supernova survey region](https://roman.mixinvisuals.com/image/p53805b700e7d/layout-of-a-nominal-supernova-survey-region/) — January 7, 2026
- [The Expanding Universe](https://roman.mixinvisuals.com/image/p4e6f772b123e/the-expanding-universe/) — January 7, 2026
- [Notional placement of the Galactic Bulge Time Domain Survey fields](https://roman.mixinvisuals.com/image/p4b973c3844d2/notional-placement-of-the-galactic-bulge-time-domain-survey-fields/) — January 7, 2026: The upper image shows the inner half of our Milky Way galaxy in false color, with the Galactic Bulge at the center. Dark patches are regions where the background starlight is obscured by interstellar dust. The lower image is a 6x6 degree region near the…
- [Microlensing search area](https://roman.mixinvisuals.com/image/p495795335894/microlensing-search-area/) — January 7, 2026: The area around another star that the Roman Space Telescope will search (in blue) for exoplanets compared to Kepler's search area.
- [Roman Microlensing](https://roman.mixinvisuals.com/image/p474f596ca36a/roman-microlensing/) — January 7, 2026
- [WFI poster](https://roman.mixinvisuals.com/image/p8d8b305f3985/wfi-poster/) — January 7, 2025
- [Pumpkin Stencil](https://roman.mixinvisuals.com/image/p14589dc81779/pumpkin-stencil/) — January 7, 2025: Celebrate Halloween with this Nancy Grace Roman Space Telescope footprint pumpkin stencil.
- [Roman Coronagraph Digging the Dark Hole](https://roman.mixinvisuals.com/image/lPIA26279/roman-coronagraph-digging-the-dark-hole/) — May 21, 2024: The Roman Coronagraph Instrument on NASA's upcoming Nancy Grace Roman Space Telescope will test new tools that block starlight, revealing planets hidden by the glare of their parent stars. This graphic shows a test of what engineers call "digging the dark…
- [Coronagraph Team Signs Flag Farewell](https://roman.mixinvisuals.com/image/lPIA26278/coronagraph-team-signs-flag-farewell/) — May 21, 2024: The Roman Coronagraph Instrument on NASA's upcoming Nancy Grace Roman Space Telescope will test new tools that block starlight, revealing planets hidden by the glare of their parent stars. The technology demonstration instrument is shown here – inside a…
- [Coronagraph Prepared for Shipping](https://roman.mixinvisuals.com/image/lPIA26277/coronagraph-prepared-for-shipping/) — May 21, 2024: The Roman Coronagraph Instrument on NASA's upcoming Nancy Grace Roman Space Telescope will test new tools that block starlight, revealing planets hidden by the glare of their parent stars. The technology demonstration instrument is shown here on May 17, 2024…
- [Roman Coronagraph Undergoes Electromagnetic Interference Testing](https://roman.mixinvisuals.com/image/lPIA26273/roman-coronagraph-undergoes-electromagnetic-interference-testing/) — January 31, 2024: The Roman Coronagraph Instrument, a technology demonstration that will be part of NASA's Nancy Grace Roman Space Telescope, is seen amid testing at the agency's Jet Propulsion Laboratory in Southern California in December 2023. During this test in a special…
- [Roman Coronagraph on View in a JPL Clean Room](https://roman.mixinvisuals.com/image/lPIA26272/roman-coronagraph-on-view-in-a-jpl-clean-room/) — January 31, 2024: In a clean room at NASA's Jet Propulsion Laboratory in Southern California in October 2023, scientist Vanessa Bailey stands behind the Roman Coronagraph, which has been undergoing testing at the lab. Designed to block starlight and allow scientists to see the…
- [An infographic depicting Roman's High-Latitude Wide-Area Survey.](https://roman.mixinvisuals.com/image/pfe9431092122/an-infographic-depicting-roman-s-high-latitude-wide-area-survey/) — October 26, 2023
- [A field of view comparison between Roman and Hubble](https://roman.mixinvisuals.com/image/p54b18de03243/a-field-of-view-comparison-between-roman-and-hubble/) — October 24, 2023: This image of the Eagle Nebula showcases the superb resolution and wide field of view of NASA’s upcoming Nancy Grace Roman Space Telescope. It begins with a Hubble image of the famous Pillars of Creation superimposed on a ground-based image. The view then…
- [Roman Coronagraph Optical Bench Assembly](https://roman.mixinvisuals.com/image/lPIA25439/roman-coronagraph-optical-bench-assembly/) — December 21, 2022: Engineer Jordan Rupp is shown at NASA's Jet Propulsion Laboratory in September 2022 with the optical bench for the Coronagraph Instrument on NASA's Nancy Grace Roman Space Telescope. Light from the telescope is directed to the optical bench and passes through…
- [Roman Coronagraph Focal Plane Mask](https://roman.mixinvisuals.com/image/lPIA25438/roman-coronagraph-focal-plane-mask/) — December 21, 2022: The focal plane mask for the Coronagraph Instrument on NASA's Nancy Grace Roman Space Telescope, shown here, is one of the components used to suppress starlight and reveal planets orbiting a star. Each circular section contains multiple "masks" – carefully…
- [Roman Coronagraph Fast Steering Mirror](https://roman.mixinvisuals.com/image/lPIA25437/roman-coronagraph-fast-steering-mirror/) — December 21, 2022: An engineer at NASA's Jet Propulsion Laboratory is shown here with the fast steering mirror, a component of the Coronagraph Instrument on NASA's Nancy Grace Roman Space Telescope. The mirror can make small movements that correct for slight wobbling of the…
- [Roman Coronagraph Instrument Color Filter Assembly](https://roman.mixinvisuals.com/image/lPIA25436/roman-coronagraph-instrument-color-filter-assembly/) — December 21, 2022: This image shows a series of color filters on the Color Filter Assembly for the Coronagraph Instrument on NASA's Nancy Grace Roman Space Telescope. Each filter blocks all but a specific color, or wavelength, of light. Many of the filters appear dark in this…
- [Engineers Assemble Electronics Layer on Roman Coronagraph Instrument](https://roman.mixinvisuals.com/image/lPIA25435/engineers-assemble-electronics-layer-on-roman-coronagraph-instrument/) — December 21, 2022: Engineers at NASA's Jet Propulsion Laboratory – from left, Brandon Creager, Juan Gloria, Joshua Nachtigal, and Sonny Gutierrez – are shown assembling the electronics palette for the Coronagraph Instrument on NASA's Roman Space Telescope in December 2022. One…
- [Tiny Masks for Seeing Planets](https://roman.mixinvisuals.com/image/lPIA20585/tiny-masks-for-seeing-planets/) — April 28, 2016: Two different types of masks to be used in NASA upcoming Wide-Field Infrared Survey Telescope, or WFIRST, coronagraph instrument, are pictured.
- [Coronagraph Test Chamber](https://roman.mixinvisuals.com/image/lPIA20584/coronagraph-test-chamber/) — April 28, 2016: The vacuum chamber at NASA Jet Propulsion Laboratory in Pasadena, California, used for testing WFIRST and other coronagraphs.