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The Roman surveys will search for planets toward the center of our Milky Way galaxy, which is heavily populated with stars. The higher density of stars will yield more microlensing events, including those that reveal exoplanets. NASA's Goddard Space Flight Center/CI Lab | Video | 15.1 MB | MP4 |
This animation illustrates the concept of gravitational microlensing. When one star in the sky appears to pass nearly in front of another, the light rays of the background source star become bent due to the warped space-time around the foreground star. This star is then a virtual magnifying glass, amplifying the brightness of the background source star, so we refer to the foreground star as the lens star. If the lens star harbors a planetary system, then those planets can also act as lenses, each one producing a short deviation in the brightness of the source. Thus we discover the presence of exoplanets, and measure its mass and separation from its star. NASA's Goddard Space Flight Center | Video | 20.7 MB | MP4 |
Kepler and other exoplanet search efforts have discovered thousands of large planets with small orbits, represented by the red and black dots on this chart. Roman will find planets with a much wider range of masses orbiting farther from their host star, shown by the blue dots. NASA’s Goddard Space Flight Center, adapted from Penny et al. (2019) | Image | 1.2 MB | PNG |
This animation shows a planet crossing in front of, or transiting, its host star and the corresponding light curve astronomers would see. Using this technique, scientists anticipate Roman could find 100,000 new worlds. Credits: NASA’s Goddard Space Flight Center/Chris Smith (USRA/GESTAR) | Video | 884.9 KB | MP4 | Transit-Method-For-Detecting-Planets | https://roman.gsfc.nasa.gov/exoplanets_transit_method.html |
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| This visualization shows how dark matter (blue-gray threads) provided the framework for normal matter (bright spots) to build up into large cosmic structures, like galaxies and galaxy clusters. | KIPAC/Stanford | Animation | 69 MB | GIF |
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This infographic showcases the difference in data volume between the Nancy Grace Roman and Hubble space telescopes. Each day, Roman will send over 500 times more data back to Earth than Hubble. | NASA's Goddard Space Flight Center | Image | 39.3 MB | PNG | Roman_Data_Scale_HubbleOnly_Final |
NASA's Wide Field Infrared Survey Telescope will explore how dark energy has affected the universe's expansion in the past.
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This infographic showcases the difference in data volume between the Nancy Grace Roman and Hubble space telescopes, using hard drives to symbolize data volume. Each day, Roman will send over 500 times more data back to Earth than Hubble. This version gives the time baseline by which these archival data are collected (30 years for Hubble, 5 years for Roman). | Z. Levy (STScI) | Image | 1.7 MB | JPG | Big Data - with time |
Roman Overview Presentation |
title | Big Data and Archive |
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Thumbnail and Description | Credit | File Type | File Size | File Extension | Filename | File Location | Source Location | ||||||||
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This infographic showcases the difference in data volume between the Nancy Grace Roman , Webb and Hubble space telescopes, using hard drives to symbolize data volume. Each day, Roman will send over 500 times more data back to Earth than Hubble. | NASA's Goddard Space Flight Center | Image | 38.9 MB | PNG | This version leaves off the time baseline by which these archival data are collected (30 years for Hubble, 5 years for Roman). | Z. Levy (STScI) | Image | 1.6 MB | JPG | Big DataRoman_Data_Scale_Final | https://stsci.box.com/s/iqmluwt2j2dyeexzpv8vyfdo4kkristpn89dvdu344h7br3j09udbet76w5mxh2t | Roman Overview Presentation svsgsfc.nasa.gov/13667 | |||
This infographic showcases the difference in data volume between the Nancy Grace Roman and Hubble space telescopes. Each day, Roman will send over 500 times more data back to Earth than Hubble. | NASA's Goddard Space Flight Center | Image | 39.3 MB | PNG | Roman_Data_Scale_HubbleOnly_Final | https://stsci.box.com/s/okmw15dblwmq4ajnmkfnivxdwb4e4p6s | https://svs.gsfc.nasa.gov/13667 | ||||||||
This simulated image illustrates the wide range of science enabled by Roman's extremely wide field of view and exquisite resolution. The yellow squares, which all contain background imagery simulated using data from Hubble’s Cosmic Assembly Near-infrared Deep Extragalactic Survey (CANDELS) program, outline the area Roman can capture in a single observation. A blue square shows the field of view of Hubble’s Wide Field Camera 3 for comparison. While the CANDELS program took Hubble nearly 21 days to survey in near-infrared light, Roman’s large field of view and higher efficiency would allow it to survey the same area in less than half an hour. Top left: This view illustrates a region of the large nearby spiral galaxy M83. Top right: A hypothetical distant dwarf galaxy appears in this magnified view, demonstrating Roman’s ability to detect small, faint galaxies at large distances. Bottom left: This magnified view illustrates how Roman will be able to resolve bright stars even in the dense cores of globular star clusters. Bottom right: A zoom of the CANDELS-based background shows the density of high-redshift galaxies Roman will detect. | Benjamin Williams, David Weinberg, Anil Seth, Eric Bell, Dave Sand, Dominic Benford, and the WINGS Science Investigation Team Image Composition: | This infographic showcases the difference in data volume between the Nancy Grace Roman and Hubble space telescopes, using hard drives to symbolize data volume. Each day, Roman will send over 500 times more data back to Earth than Hubble. This version gives the time baseline by which these archival data are collected (30 years for Hubble, 5 years for Roman). | Z. Levy (STScI) | Image | 18.7 5 MB | JPG | Big Data - with time | Roman - Simulated View Box Live Link | | https://stsci.box.com/s/0ajh7iv14086w4dlfo9mok75dlorogxlbceee8zopmvsq169n5tkndutfwnaezlu | Roman Overview Presentation https://www.stsci.edu/roman/documentation/technical-documentation |
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This simulated image illustrates the wide range of science enabled by Roman's extremely wide field of view and exquisite resolution. The purple squares, which all contain background imagery simulated using data from Hubble’s Cosmic Assembly Near-infrared Deep Extragalactic Survey (CANDELS) program, outline the area Roman can capture in a single observation. An orange square shows the field of view of Hubble’s Wide Field Camera 3 for comparison. While the CANDELS program took Hubble nearly 21 days to survey in near-infrared light, Roman’s large field of view and higher efficiency would allow it to survey the same area in less than half an hour. Top left: This view illustrates a region of the large nearby spiral galaxy M83. Top right: A hypothetical distant dwarf galaxy appears in this magnified view, demonstrating Roman’s ability to detect small, faint galaxies at large distances. Bottom left: This magnified view illustrates how Roman will be able to resolve bright stars even in the dense cores of globular star clusters. Bottom right: A zoom of the CANDELS-based background shows the density of high-redshift galaxies Roman will detect. | Benjamin Williams, David Weinberg, Anil Seth, Eric Bell, Dave Sand, Dominic Benford, and the WINGS Science Investigation Team | Image | PNG | Greatfield_Simulated_Roman_Landscape_Text | Z. Levy (STScI) | Image | 1.6 MB | JPG | Big Data | https://stsci.box.com/s/n89dvdu344h7br3j09udbet76w5mxh2tRoman Overview Presentation9fgfz4uyjmpa1io3yzow2w9kn2icigxg | https://stsci.edu/roman/documentation/technical-documentationsvs.gsfc.nasa.gov/13667 | ||||
This simulated image illustrates the wide range of science enabled by Roman's extremely wide field of view and exquisite resolution. The yellow purple squares, which all contain background imagery simulated using data from Hubble’s Cosmic Assembly Near-infrared Deep Extragalactic Survey (CANDELS) program, outline the area Roman can capture in a single observation. A blue An orange square shows the field of view of Hubble’s Wide Field Camera 3 for comparison. While the CANDELS program took Hubble nearly 21 days to survey in near-infrared light, Roman’s large field of view and higher efficiency would allow it to survey the same area in less than half an hour. Top left: This view illustrates a region of the large nearby spiral galaxy M83. Top right: A hypothetical distant dwarf galaxy appears in this magnified view, demonstrating Roman’s ability to detect small, faint galaxies at large distances. Bottom left: This magnified view illustrates how Roman will be able to resolve bright stars even in the dense cores of globular star clusters. Bottom right: A zoom of the CANDELS-based background shows the density of high-redshift galaxies Roman will detect. | Benjamin Williams, David Weinberg, Anil Seth, Eric Bell, Dave Sand, Dominic Benford, and the WINGS Science Investigation TeamImage Composition: Z. Levy (STScI) | Image | 8.5 MB | JPG | PNG | Greatfield_Simulated_Roman_Portrait_TextRoman - Simulated View | https://stsci.box.com/s/bceee8zopmvsq169n5tkndutfwnaezluRoman Overview Presentation4wrzhvltn01mcpu2w238tddsvsx8fsmc | https://stsci.edu/roman/documentation/technical-documentationsvs.gsfc.nasa.gov/13667 | |||||||
This simulated image illustrates the wide range of science enabled by Roman's extremely wide field of view and exquisite resolution. The purple squares, which all contain background imagery simulated using data from Hubble’s Cosmic Assembly Near-infrared Deep Extragalactic Survey (CANDELS) program, outline the area Roman can capture in a single observation. An orange square shows the field of view of Hubble’s Wide Field Camera 3 for comparison. While the CANDELS program took Hubble nearly 21 days to survey in near-infrared light, Roman’s large field of view and higher efficiency would allow it to survey the same area in less than half an hour. Top left: This view illustrates a region of the large nearby spiral galaxy M83. Top right: A hypothetical distant dwarf galaxy appears in this magnified view, demonstrating Roman’s ability to detect small, faint galaxies at large distances. Bottom left: This magnified view illustrates how Roman will be able to resolve bright stars even in the dense cores of globular star clusters. Bottom right: A zoom of the CANDELS-based background shows the density of high-redshift galaxies Roman will detect. | Benjamin Williams, David Weinberg, Anil Seth, Eric Bell, Dave Sand, Dominic Benford, and the WINGS Science Investigation Team | Image | PNG | Greatfield_Simulated_Roman_Landscape_TextNoText | https://stsci.box.com/s/9fgfz4uyjmpa1io3yzow2w9kn2icigxglnp2rumbiadldy6a6wrcj392qvbmhzvw | https://svs.gsfc.nasa.gov/13667 | |||||||||
This simulated image illustrates the wide range of science enabled by Roman's extremely wide field of view and exquisite resolution. The purple squares, which all contain background imagery simulated using data from Hubble’s Cosmic Assembly Near-infrared Deep Extragalactic Survey (CANDELS) program, outline the area Roman can capture in a single observation. An orange square shows the field of view of Hubble’s Wide Field Camera 3 for comparison. While the CANDELS program took Hubble nearly 21 days to survey in near-infrared light, Roman’s large field of view and higher efficiency would allow it to survey the same area in less than half an hour. Top left: This view illustrates a region of the large nearby spiral galaxy M83. Top right: A hypothetical distant dwarf galaxy appears in this magnified view, demonstrating Roman’s ability to detect small, faint galaxies at large distances. Bottom left: This magnified view illustrates how Roman will be able to resolve bright stars even in the dense cores of globular star clusters. Bottom right: A zoom of the CANDELS-based background shows the density of high-redshift galaxies Roman will detect. | Benjamin Williams, David Weinberg, Anil Seth, Eric Bell, Dave Sand, Dominic Benford, and the WINGS Science Investigation Team | Image | PNG | Greatfield_Simulated_Roman_Portrait_TextNoText | https://stsci.box.com/s/4wrzhvltn01mcpu2w238tddsvsx8fsmc61cwd1r28a686qh1uze2v15ws3azc5rq | https://svs.gsfc.nasa.gov/13667 | This simulated image illustrates the wide range of science enabled by Roman's extremely wide field of view and exquisite resolution. The purple squares, which all contain background imagery simulated using data from Hubble’s Cosmic Assembly Near-infrared Deep Extragalactic Survey (CANDELS) program, outline the area Roman can capture in a single observation. An orange square shows the field of view of Hubble’s Wide Field Camera 3 for comparison. While the CANDELS program took Hubble nearly 21 days to survey in near-infrared light, Roman’s large field of view and higher efficiency would allow it to survey the same area in less than half an hour. Top left: This view illustrates a region of the large nearby spiral galaxy M83. Top right: A hypothetical distant dwarf galaxy appears in this magnified view, demonstrating Roman’s ability to detect small, faint galaxies at large distances. Bottom left: This magnified view illustrates how Roman will be able to resolve bright stars even in the dense cores of globular star clusters. Bottom right: A zoom of the CANDELS-based background shows the density of high-redshift galaxies Roman will detect. | Benjamin Williams, David Weinberg, Anil Seth, Eric Bell, Dave Sand, Dominic Benford, and the WINGS Science Investigation Team | Image | PNG | |||||
This illustration compares the relative sizes of the areas of sky covered by two surveys: Roman’s High Latitude Wide Area Survey, outlined in blue, and the largest mosaic led by Hubble, the Cosmological Evolution Survey (COSMOS), shown in red. In current plans, the Roman survey will be more than 1,000 times broader than Hubble’s. Roman will also explore more distant realms of space than most other telescopes have probed in previous efforts to study why the expansion of the universe is speeding up. | NASA's Goddard Space Flight Center | Image | 3.8 MB | JPEG | roman_hls_mkiii_2Greatfield_Simulated_Roman_Landscape_NoText | https://stsci.box.com/s/lnp2rumbiadldy6a6wrcj392qvbmhzvwx8gtecqqdonl5zdm3nkxq4pw75l20wa9 | https://svs.gsfcwww.nasa.gov/13667feature/goddard/2021/nasa-s-roman-mission-will-help-empower-a-new-era-of-cosmological-discovery | ||||||||
The Hubble image of a portion of the GOODS-South field (left) required multiple individual exposures that were stitched into a mosaic. The Roman Space Telescope will have a field of view (right) at least 100 times greater than Hubble, allowing it to capture data on thousands of galaxies in a single exposure. | IMAGE: NASA, ESA IMAGE PROCESSING: Joseph DePasquale (STScI) ACKNOWLEDGMENT: Pascal Oesch (University of Geneva), Mireia Montes (UNSW), DSS | Image | 32.8 MB | PNG | STScI-01FF85PY2TZSQRK1TVB7Y6NA0J | https://stsci.box.com/s/kza6zz7s7oo7l1svay3vw30bv00fo46t | https://hubblesite.org/contents/news-releases/2021/news-2021-048.html | ||||||||
The Roman Space Telescope is designed for large surveys of the sky. This animation gives a sense of the scale of just one of Roman’s potential survey areas, which would span an area of 2,000 square degrees – about 10,000 times the size of the full Moon. | NASA, IPAC, Robert L. Hurt (IPAC) Acknowledgement: This animation has made use of the Stellarium planetarium. | Video | 3.2 MB | MP4 | STScI-01FG2BZXPDVVSD26QQMSRGC7ZG | This simulated image illustrates the wide range of science enabled by Roman's extremely wide field of view and exquisite resolution. The purple squares, which all contain background imagery simulated using data from Hubble’s Cosmic Assembly Near-infrared Deep Extragalactic Survey (CANDELS) program, outline the area Roman can capture in a single observation. An orange square shows the field of view of Hubble’s Wide Field Camera 3 for comparison. While the CANDELS program took Hubble nearly 21 days to survey in near-infrared light, Roman’s large field of view and higher efficiency would allow it to survey the same area in less than half an hour. Top left: This view illustrates a region of the large nearby spiral galaxy M83. Top right: A hypothetical distant dwarf galaxy appears in this magnified view, demonstrating Roman’s ability to detect small, faint galaxies at large distances. Bottom left: This magnified view illustrates how Roman will be able to resolve bright stars even in the dense cores of globular star clusters. Bottom right: A zoom of the CANDELS-based background shows the density of high-redshift galaxies Roman will detect. | Benjamin Williams, David Weinberg, Anil Seth, Eric Bell, Dave Sand, Dominic Benford, and the WINGS Science Investigation Team | Image | PNG | Greatfield_Simulated_Roman_Portrait_NoText | https://stsci.box.com/s/61cwd1r28a686qh1uze2v15ws3azc5rq | https://svs.gsfc.nasa.gov/13667 | /s/7t3gi35q8mkssf8cx170bg0xg6laft8d | https://hubblesite.org/contents/media/videos/2021/048/01FG274RXS1QBDZA8WJ7MBAX99?news=true | |
The Nancy Grace Roman Space Telescope is a clue-hunter. As a survey mission, Roman will observe areas of the sky repeatedly, much like going back to the room multiple times to look for new details, or details that may have changed. It will cast a wide net with Hubble Space Telescope-quality data, but with 200 times Hubble’s infrared field of view! The infrared Roman mission will greatly expand our view of the universe, and it will provide many more clues to help solve some the greatest mysteries of astrophysics. | Illustration: J. Kang/STScI | Image | 682.2 KB | JPG | post_01 | This video 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 zooms out to show the full field of view of Roman’s Wide Field Instrument. Roman’s images will have the resolution of Hubble while covering an area about 100 times larger in a single pointing. This video contains labels. | L. Hustak (STScI) | Video | 41.3 MB | MP4 | STScI-H-v2041c-3840x2160-Labels | Box Live Link | | url | https://stsci.box.com/s/05sxlj6trikhcgimb89bxo98dyhmprpx8r9v6y7137opysjc5ildaw66b9r1onl8https://svs.gsfc.nasa.gov/13672twitter.com/SpaceTelescope/status/1562836961064538117 |
Like a detective who shares clues, the This video 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 zooms out to show the full field of view of Roman’s Wide Field Instrument. Roman’s images will have the resolution of Hubble while covering an area about 100 times larger in a single pointing. This video does not contain labels. | L. Hustak (STScI) | Video | 40.7 MB | MP4 | will provide open access and analysis of its data to scientists everywhere! | Illustration: J. Kang/STScI | Image | 480.5 KB | JPG | post_04STScI-H-v2041a-3840x2160-NoLabels | https://stsci.box.com/s/4kh1m1h6rpi2dtxe4229vyty4db5oe3ocf1s5uejujolke3puxndi6hmtku9cb5u | https://svs.gsfc.nasa.gov/13672twitter.com/SpaceTelescope/status/1570452139985764352 | |||
As a survey mission, the Nancy Grace Roman Space Telescope will collect Hubble-quality data but with 200 times Hubble’s infrared field of view. It will view planets by the thousands, galaxies by the millions, and stars by the billions. It will transmit almost 1,400 gigabytes of information to the ground each day—more than the storage space of an average home computer. For comparison, the Hubble Space Telescope sends less than 3 gigabytes a day, and the James Webb Space Telescope sends less than 60 gigabytes. After just five years of observing, Roman will have delivered 20,000 terabytes! All of this data will provide a treasure trove of information to scientists for many years to come. | Illustration: J. Kang/STScI | Image | 406 KB | JPG | post_05 | This illustration compares the relative sizes of the areas of sky covered by two surveys: Roman’s High Latitude Wide Area Survey, outlined in blue, and the largest mosaic led by Hubble, the Cosmological Evolution Survey (COSMOS), shown in red. In current plans, the Roman survey will be more than 1,000 times broader than Hubble’s. Roman will also explore more distant realms of space than most other telescopes have probed in previous efforts to study why the expansion of the universe is speeding up. | NASA's Goddard Space Flight Center | Image | 3.8 MB | JPEG | roman_hls_mkiii_2 | https://stsci.box.com/s/x8gtecqqdonl5zdm3nkxq4pw75l20wa95hf914jm0tnuxohtipwjeigtc31vnmkt | https://www.nasa.gov/feature/goddard/2021/nasa-s-roman-mission-will-help-empower-a-new-era-of-cosmological-discoverytwitter.com/SpaceTelescope/status/1572985338041098240 |
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Comparison of observatories in the 2020s and their windows into the electromagnetic spectrum. A. James (STScI) | Image | 1.3 MB | JPG |
Roman Overview Presentation NASA Astrophysics Fleet Mission Chart NASA | image | 3.5 MB | PDF | Astro Fleet2019-Feb21_TAGGED | https://stsci.box.com/s/ferl1fvl5q9j3nypo5t1lw17vcj4hm3g | https://smd-prod.s3.amazonaws.com/science-pink/s3fs-public/atoms/files/Astro%20Fleet2019-Feb21_TAGGED.pdf |
Image from B.E. Robertson, et al. 2019, Nat Rev Phys, 1, 450 | image | 2 MB | PNG | Roman_Deblending_annotated | Box Live Link | url |
Comparison of Hubble and expected Rubin Observatory LSST data resolution. (L) BVz color image from the Hubble CANDELS field with θ = 0.1” and r ≈ 28.5. Roman will have comparable resolution. (R) Simulated Rubin LSST image made by degrading Hubble data to Rubin resolution of θ = 0.6”. In the Rubin image, the galaxy is blended with surrounding objects. Correlating overlapping Rubin and Roman imagery would make it possible to develop machine learning algorithms to deblend Rubin imagery that does not overlap with Roman. Annotated version.
"Cosmology with Roman" Fact Sheet https://stsci.edu/roman/documentation/technical-documentation |
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