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titleNancy Grace Roman Space Telescope


Expand
titleRoman Space Telescope


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Learn more about the Roman Space Telescope spacecraft with this short tour of the main systems.

NASA's Goddard Space Flight Center


Music: “Phenomenon" from Above and Below Written and produced by Lars Leonhard

Video807.1 MBMP413295_Roman_360_Best_1080https://stsci.box.com/s/9m81dvpe9zpfjc41zeml5hnq0o0kdh14https://svs.gsfc.nasa.gov/13295

Still frame of spacecraft animation

NASA's Goddard Space Flight CenterImage48.4 KBJPGTurntableRev01A_ProRes_Alpha.00001_printhttps://stsci.box.com/s/e5mcy7dm5i4cp48feffpktv9fscmto0shttps://roman.gsfc.nasa.gov/gallery-spacecraftillustrations.html

Still frame of spacecraft animation

NASA's Goddard Space Flight CenterImage191.4 KBJPGRoman_Space_Telescope_Still_1https://stsci.box.com/s/iddn4cojy0peaq68urgiv2m5xvautwiwhttps://svs.gsfc.nasa.gov/13621

Still frame of spacecraft animation

NASA's Goddard Space Flight CenterImage172.2 KBJPGRoman_Space_Telescope_Still_2https://stsci.box.com/s/axgzqky3u55uwjv3iwaags1gvewdz332https://svs.gsfc.nasa.gov/13621

Still frame of spacecraft animation

NASA's Goddard Space Flight CenterImage178.3 KBJPGRoman_Space_Telescope_Still_3https://stsci.box.com/s/3hr4ctcz7b61j6b14g4lh43ejcfx7wvkhttps://svs.gsfc.nasa.gov/13621

Still frame of spacecraft animation

NASA's Goddard Space Flight CenterImage507.8 KBJPGRST_2020_Stillhttps://stsci.box.com/s/l6dcfm49nydoschci88jnvmn8o5d75q8https://svs.gsfc.nasa.gov/13621

Still frame of spacecraft animation

NASA's Goddard Space Flight CenterImage755.2 KBJPGRoman_Space_Telescope_Animation1_Still2https://stsci.box.com/s/qy3f9jyhy3aqxpn1su9qx9vjon0pid1ghttps://svs.gsfc.nasa.gov/13621

Stylized still frame of spacecraft animation

NASA's Goddard Space Flight CenterImage2 MBJPGTrailer_still_1https://stsci.box.com/s/g526b9ntswvm4iovkiqjuksswa8jtodqhttps://svs.gsfc.nasa.gov/13621

Stylized still frame of spacecraft animation

NASA's Goddard Space Flight CenterImage1.5 MBJPGRoman_Still_2https://stsci.box.com/s/h7k7y22w2rpqr0w3q46fdqrp5atysh1fhttps://svs.gsfc.nasa.gov/13621

Stylized still frame of spacecraft animation and name

NASA's Goddard Space Flight CenterImage1.8 MBJPGRoman_Title_1https://stsci.box.com/s/de2mwgl5vg55u3zidr73ztyr498fobumhttps://svs.gsfc.nasa.gov/13621

Still frame of spacecraft animation

NASA's Goddard Space Flight CenterImage38.3 KBJPGTurntableWithBarrelRollA_4k.00738_printhttps://stsci.box.com/s/ckg6p2ta4vpw1nlsuk2xlpllt5n55w21https://svs.gsfc.nasa.gov/13621

"Beauty pass" animation of the Roman Space Telescope spacecraft

NASA's Goddard Space Flight CenterVideo45.4 MBMP4Roman_Space_Telescope_Beauty1_1080https://stsci.box.com/s/5sg8hzhiya6mm8r799fpul6w36wuuh7xhttps://svs.gsfc.nasa.gov/13621

"Beauty pass" animation of the Roman Space Telescope spacecraft

NASA's Goddard Space Flight CenterVideo45.5 MBMP4Roman_Space_Telescope_Beauty2_1080https://stsci.box.com/s/frk2ko9hk4ydq2k8uxkohxvvhk6sy8uzhttps://svs.gsfc.nasa.gov/13621

Welcome to NASA's upcoming infrared survey mission, taking a wider view of the cosmos.

NASA's Goddard Space Flight CenterVideo281.5 MBMP4Roman_Space_Telescope_Trailer_Best_1080https://stsci.box.com/s/ai1fe4kjh29ao3gcqbi93xrku2u9b5uihttps://svs.gsfc.nasa.gov/13606

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The Roman Space Telescope’s primary mirror reflects an American flag. Its surface is figured to a level hundreds of times finer than a typical household mirror.

L3Harris TechnologiesImage9 MBJPG

Nancy Grace Roman Space Telescope will provide clues to help solve some of the greatest mysteries of astrophysics! It will survey planets by the thousands, galaxies by the millions, and stars by the billions, and help answer some of astronomy’s biggest questions. 

It will also provide evidence needed to help answer some of astronomy’s biggest questions, such as, “What is the nature of dark energy?” and “What is the large-scale structure of the universe?” It may even help answer questions astronomers don’t yet know to ask!

llustration: J. Kang/STScIImage560.1 KBJPGpost_02pm10https://stsci.box.com/s/xzo05oilxq7upj38wg1gdvitxa111y95kh5babds5nqq9amgqiffrwed8amsrhl9https://wwwtwitter.nasa.govcom/featureSpaceTelescope/goddard/2020/primary-mirror-for-nasas-roman-space-telescope-completedstatus/1565379968061902848

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The Nancy Grace Roman Space Telescope’s primary mirror, which will collect and focus light from cosmic objects near and far, has been completed. Using this mirror, Roman will capture stunning space vistas with a field of view 100 times greater than Hubble images.

L3Harris TechnologiesImage1.7 MBJPG

Telescope is like a detective whose work will answer many questions—but spawn even more! As a survey telescope in space, Roman will be a pathfinder. It will answer one set of questions, but its work will lead to a whole new set of questions to be answered by the next generations of telescopes!

llustration: J. Kang/STScIImage611.1 KBJPGpost_06pm2_1https://stsci.box.com/s/bou373c30lnu38zn7bcrshm8rie56656txin2rddltlr3elxcj0g14cng1wq1h6ihttps://wwwtwitter.nasa.govcom/featureSpaceTelescope/goddard/2020/primary-mirror-for-nasas-roman-space-telescope-completedstatus/1575524568109764616

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The

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Crane operators lower the support equipment to move the Roman Space Telescope’s primary mirror . Using this mirror, Roman will provide a new view into the universe, helping scientists solve cosmic mysteries related to dark matter, dark energy, and planets around other starsreflects an American flag. Its surface is figured to a level hundreds of times finer than a typical household mirror.

L3Harris TechnologiesImage43.7 KB9 MBJPGpm3pm10https://stsci.box.com/s/ozwncqvt4ml3idufa4rt00rjvwkikkamxzo05oilxq7upj38wg1gdvitxa111y95https://www.nasa.gov/feature/goddard/2020/primary-mirror-for-nasas-roman-space-telescope-completed

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The Nancy Grace Roman Space Telescope’s primary mirror, which will collect and focus light from cosmic objects near and far, has been completed. Using this mirror, Roman will capture stunning space vistas with a field of view 100 times greater than Hubble images.

L3Harris TechnologiesImage1.7 MBJPGpm2_1

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Members of the Roman Space Telescope team pose with the telescope’s primary mirror at L3 Harris Technologies in Rochester, New York. The telescope just passed a key milestone review, permitting the team to move on to finalizing the telescope design.

NASA's Goddard Space Flight CenterImage4 MBPNGWFIRSTNASAPhotohttps://stsci.box.com/s/2aj4xjo30g67or6pznpf9vrccmuevcmkbou373c30lnu38zn7bcrshm8rie56656https://svswww.gsfc.nasa.gov/13295/feature/goddard/2020/primary-mirror-for-nasas-roman-space-telescope-completed

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Crane operators lower the support equipment to move the Roman Space Telescope’s primary mirror. Using this mirror, Roman will provide a new view into the universe, helping scientists solve cosmic mysteries related to dark matter, dark energy, and planets around other stars.

L3Harris TechnologiesImage43.7 KBJPGpm3

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This photo shows the setup for space environment testing of the engineering development unit for Roman’s Solar Array Sun Shield, which will serve two purposes. First, it will supply electrical power to the observatory. Second, it will shield the Optical Telescope Assembly, the Wide Field Instrument, and the Coronagraph Instrument from sunlight.

NASA/Chris GunnImage133.2KBJPGromamsassjpg_1https://stsci.box.com/s/k0g8m3yj3s9y1u949jr5a8q4yhnhdmpqozwncqvt4ml3idufa4rt00rjvwkikkamhttps://www.nasa.gov/feature/goddard/20212020/nasaprimary-confirmsmirror-romanfor-missionsnasas-flightroman-designspace-intelescope-milestone-reviewcompleted

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Members of the Roman Space Telescope team pose with the telescope’s primary mirror at L3 Harris Technologies in Rochester, New York. The telescope just passed a key milestone review, permitting the team to move on to finalizing the telescope design.

NASA's Goddard Space Flight CenterImage4 MBPNGWFIRSTNASAPhotohttps://stsci.box.com/s/2aj4xjo30g67or6pznpf9vrccmuevcmkhttps://svs.gsfc.nasa.gov/13295

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This photo shows the setup for space environment testing of the engineering development unit for Roman’s Solar Array Sun Shield, which will serve two purposes. First, it will supply electrical power to the observatory. Second, it will shield the Optical Telescope Assembly, the Wide Field Instrument, and the Coronagraph Instrument from sunlight

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This photo shows 18 of Roman's detectors mounted in an engineering test unit of the mission's focal plane array. The focal plane array will be incorporated into Roman's Wide Field Instrument – a 300-megapixel camera that will capture enormous images of the cosmos.

NASA/Chris GunnImage113 KBJPEG133.2KBJPGromamsassjpg_1romandet-1681946https://stsci.box.com/s/lzh8v5cdxogmio7jwx4uq1qh55twmbi1k0g8m3yj3s9y1u949jr5a8q4yhnhdmpqhttps://www.nasa.gov/feature/goddard/2021/nasa-sconfirms-roman-spacemissions-telescopeflight-selectsdesign-24in-milestone-review

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This photo shows 18 of Roman's detectors mounted in an engineering test unit of the mission's focal plane array. The focal plane array will be incorporated into Roman's Wide Field Instrument – a 300-megapixel camera that will capture enormous images of the cosmos.

NASA/Chris GunnImage113 KBJPEGromandet-1681946https://stsci.box.com/s/lzh8v5cdxogmio7jwx4uq1qh55twmbi1https://www.nasa.gov/feature/goddard/2021/nasa-s-roman-space-telescope-selects-24-flight-quality-flight-quality-heat-vision-eyes

Greg Mosby holds one of Roman’s detectors (left) and an entire cell phone camera (right) for size comparison. The best modern cell phone cameras can provide around 12-megapixel images, while each of Roman’s detectors contains 16 megapixels. Since Roman’s camera contains 18 detectors, it will capture 300-megapixel panoramas. The mission will conduct sweeping cosmic surveys with the same sharp resolution that the Hubble Space Telescope provides.

NASA/Chris GunnImage92.4 KBJPGRoman-detector-phone-camerahttps://stsci.box.com/s/5aysqk0z947ldqyw08jlgr9wt5j2kdgshttps://www.nasa.gov/feature/goddard/2021/nasa-s-roman-space-telescope-selects-24-flight-quality-heat-vision-eyes

The Nancy Grace Roman Space Telescope Mosaic Plate has 18 detectors, each no larger than a sticky note, that together will capture the widest views of the universe ever taken from space. With these detectors, Roman will take 300-megapixel images of the universe (the average smartphone is around 12 megapixels for comparison. This will allow astronomers to explore a vast array of celestial objects and phenomena, like galaxies, exoplanets, dark matter, and many more.

Credit: NASA/Chris GunnImage746.1 KBJPEGRoman-detectors-mosaic-plate-assembly_1https://stsci.box.com/s/ma26cq94v0nhcj7lhe4jjmrm727kv6ukhttps://www.flickr.com/photos/195562936@N08/albums/72177720303575876/with/52491036264/

The Nancy Grace Roman Space Telescope Mosaic Plate has 18 detectors, each no larger than a sticky note, that together will capture the widest views of the universe ever taken from space. With these detectors, Roman will take 300-megapixel images of the universe (the average smartphone is around 12 megapixels for comparison. This will allow astronomers to explore a vast array of celestial objects and phenomena, like galaxies, exoplanets, dark matter, and many more.

Credit: NASA/Chris GunnImage461.1 KBJPEGRoman-detectors-mosaic-plate-assembly_3https://stsci.box.com/s/gactbq9y2d65mi2n866at6kuobkpdivdhttps://www.flickr.com/photos/195562936@N08/albums/72177720303575876/with/52491036264/

L3Harris Technologies has completed the Nancy Grace Roman Space Telescope's Primary Mirror Assembly (PMA) test and build.  
The PMA includes Roman's primary mirror and support structure. The mirror is 7.9 feet (2.41 meters) in diameter, the same size as The Hubble Space Telescope  mirror, but only one-fourth its weight, coming in at over 400 pounds (181.4 kg)! The mirror will collect light from the cosmos and send it to Roman's Wide Field Instrument and Coronagraph technology demonstration, helping scientists do things like map the structure and distribution of invisible dark matter, study planetary systems around other stars, and explore how the universe evolved to its present state.

Credit: NASA/Chris GunnImage3.4 MBJPGRoman_PMA_1https://stsci.box.com/s/ts5o3q3uqwwhd4jjg747qo3bqoit9l45https://www.flickr.com/photos/195562936@N08/albums/72177720303767612

L3Harris Technologies has completed the Nancy Grace Roman Space Telescope's Primary Mirror Assembly (PMA) test and build.  
The PMA includes Roman's primary mirror and support structure. The mirror is 7.9 feet (2.41 meters) in diameter, the same size as The Hubble Space Telescope  mirror, but only one-fourth its weight, coming in at over 400 pounds (181.4 kg). The mirror will collect light from the cosmos and send it to Roman's Wide Field Instrument and Coronagraph technology demonstration, helping scientists do things like map the structure and distribution of invisible dark matter, study planetary systems around other stars, and explore how the universe evolved to its present state.

Credit: NASA/Chris GunnImage5.6 MBJPGRoman_PMA_2https://stsci.box.com/s/buwtm9qg4clhhrssi2aiiilm4wwsxutzhttps://www.flickr.com/photos/195562936@N08/albums/72177720303767612

The Nancy Grace Roman Space Telescope's secondary mirror is being integrated into the flight hardware. Roughly four times smaller than Roman’s primary mirror, the secondary mirror is just 22 inches across (55.9 cm or about the size of a large tire). It’s a critical part of the forward structure assembly, which also includes the support structure. Roman's secondary mirror further focuses the light from the primary mirror and is the last optic before the light beam is split between the two channels for the Wide Field Instrument and the Coronagraph Instrument.  

Credit: NASA/Chris GunnImage894.9 KBJPGRoman_Secondary_mirror_1https://stsci.box.com/s/feq0lyk1qafrt2p51fq7lhaej45bl42jhttps://www.flickr.com/photos/195562936@N08/albums/72177720303916084

The Nancy Grace Roman Space Telescope's secondary mirror is being integrated into the flight hardware. Roughly four times smaller than Roman’s primary mirror, the secondary mirror is just 22 inches across (55.9 cm or about the size of a large tire). It’s a critical part of the forward structure assembly, which also includes the support structure. Roman's secondary mirror further focuses the light from the primary mirror and is the last optic before the light beam is split between the two channels for the Wide Field Instrument and the Coronagraph Instrument.  

Credit: NASA/Chris GunnImage
JPGRoman_Secondary_mirror_2https://stsci.box.com/s/mu2a8k9yk5h0exj3jy2if2b5si6h3a5khttps://www.flickr.com/photos/195562936@N08/albums/72177720303916084



Expand
titleWide Field Instrument (WFI)


ThumbnailCreditFile TypeFile SizeFile ExtensionFilenameFile LocationSource Location

The Nancy Grace Roman Space Telescope is a next-generation space telescope that will survey the infrared universe from beyond the orbit of the Moon. The spacecraft's giant camera, the Wide Field Instrument (WFI), will be fundamental to this exploration. The WFI features the same angular resolution as Hubble but with 100 times the field of view. Data it gathers will enable scientists to discover new and uniquely detailed information about planetary systems around other stars. The WFI will also map how matter is structured and distributed throughout the cosmos, which should ultimately allow scientists to discover the fate of the universe. Watch this video to see a simplified version of how it works.

NASA's Goddard Space Flight Center.


Music" "Horizon Ahead" from Killer Tracks

Video269.5 MBMP413235_WFI_Roman_Best_1080https://stsci.box.com/s/eb54z0uwxchl1re2zwz2nj5ogy44jcprhttps://svs.gsfc.nasa.gov/13235

4k animation of the telescope and Wide Field Instrument, showing a simplified exploded view of how it works.

NASA's Goddard Space Flight Center/CI LabVideo384.5 MBMP4GSFC_20190626_WFIRST_m13235_widefield_Animationhttps://stsci.box.com/s/tltx2mth63vklcet8jxj3k9fbk7n9ifuhttps://svs.gsfc.nasa.gov/13235

Animated GIF of the Roman Wide Field Instrument.

NASA's Goddard Space Flight CenterAnimation1.8 MBGIFWFIRST_WideFieldInstrumenthttps://stsci.box.com/s/itwbh12qrd21uc9ejmc6hugpv3txe8tqhttps://svs.gsfc.nasa.gov/13235










Expand
titleCoronagraph Instrument (CGI)


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Watch this video to learn more about the Roman Space Telescope's coronagraph instrument, – a system of masks, prisms, detectors, and even self-flexing mirrors built to block out the glare from distant stars and reveal planets in orbit around them.

NASA's Goddard Space Flight Center


Music: "Concept of Motion" from Universe Production Music

Video96.8 MBMP413325_Roman_CGI_1080https://stsci.box.com/s/yh5oh6lxu1um85pvqsz0j32iokyxfiv0https://svs.gsfc.nasa.gov/13325


















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Expand
titleBig Data and Archive


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This infographic showcases the difference in data volume between the Nancy Grace Roman, Webb and Hubble space telescopes. Each day, Roman will send over 500 times more data back to Earth than Hubble.

NASA's Goddard Space Flight CenterImage38.9 MBPNGRoman_Data_Scale_Finalhttps://stsci.box.com/s/iqmluwt2j2dyeexzpv8vyfdo4kkristphttps://svs.gsfc.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 CenterImage39.3 MBPNGRoman_Data_Scale_HubbleOnly_Finalhttps://stsci.box.com/s/okmw15dblwmq4ajnmkfnivxdwb4e4p6shttps://svs.gsfc.nasa.gov/13667

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)Image1.7 MBJPGBig Data - with time

Box Live Link
urlhttps://stsci.box.com/s/0ajh7iv14086w4dlfo9mok75dlorogxl

Roman Overview Presentation

https://www.stsci.edu/roman/documentation/technical-documentation


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 leaves off the time baseline by which these archival data are collected (30 years for Hubble, 5 years for Roman).

Z. Levy (STScI)Image1.6 MBJPGBig Datahttps://stsci.box.com/s/n89dvdu344h7br3j09udbet76w5mxh2t

Roman Overview Presentation

https://www.stsci.edu/roman/documentation/technical-documentation

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: Z. Levy (STScI)

Image8.5 MBJPGRoman - Simulated Viewhttps://stsci.box.com/s/bceee8zopmvsq169n5tkndutfwnaezlu

Roman Overview Presentation

https://www.stsci.edu/roman/documentation/technical-documentation

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 TeamImage
PNGGreatfield_Simulated_Roman_Landscape_Texthttps://stsci.box.com/s/9fgfz4uyjmpa1io3yzow2w9kn2icigxghttps://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 TeamImage
PNGGreatfield_Simulated_Roman_Portrait_Texthttps://stsci.box.com/s/4wrzhvltn01mcpu2w238tddsvsx8fsmchttps://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 TeamImage
PNGGreatfield_Simulated_Roman_Landscape_NoTexthttps://stsci.box.com/s/lnp2rumbiadldy6a6wrcj392qvbmhzvwhttps://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 TeamImage
PNGGreatfield_Simulated_Roman_Portrait_NoTexthttps://stsci.box.com/s/61cwd1r28a686qh1uze2v15ws3azc5rqhttps://svs.gsfc.nasa.gov/13667

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 CenterImage3.8 MBJPEGroman_hls_mkiii_2https://stsci.box.com/s/x8gtecqqdonl5zdm3nkxq4pw75l20wa9https://www.nasa.gov/feature/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 		Image32.8 MBPNGSTScI-01FF85PY2TZSQRK1TVB7Y6NA0Jhttps://stsci.box.com/s/kza6zz7s7oo7l1svay3vw30bv00fo46thttps://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.

Video3.2 MBMP4

Video3.2 MBMP4STScI-01FG2BZXPDVVSD26QQMSRGC7ZGhttps://stsci.box.com/s/7t3gi35q8mkssf8cx170bg0xg6laft8dhttps://hubblesite.org/contents/media/videos/2021/048/01FG274RXS1QBDZA8WJ7MBAX99?news=true

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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

Image682.2 KBJPGpost_01https://stsci.box.com/s/8r9v6y7137opysjc5ildaw66b9r1onl8https://twitter.com/SpaceTelescope/status/1562836961064538117

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Like a detective who shares clues, the Nancy Grace Roman Space Telescope will provide open access and analysis of its data to scientists everywhere! 
It will democratize data access, making its information available to researchers when and where they want it. As a survey mission, its wide eye can take in an enormous amount information at one time. This data can address very specific questions, but scientists also can use the data to search for clues to other mysteries.

Illustration: J. Kang/STScI

Image480.5 KBJPGpost_04https://stsci.box.com/s/cf1s5uejujolke3puxndi6hmtku9cb5uhttps://twitter.com/SpaceTelescope/status/1570452139985764352

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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

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titleComparisons with other Observatories


Thumbnail and DescriptionCreditFile TypeFile SizeFile ExtensionFilenameFile LocationSource Location


Comparison of Hubble, Webb, and Roman, including their unique strengths and synergies.

A. James (STScI)Image32.4 MBPNGRoman-Hubble-Webb_comparison

https://stsci.box.com/s/s2f0es38bw4kex10lhks2x58pubfo0k3

https://www.hubblesite.org/hubble-30th-anniversary/resources

Every ten years the astronomy community evaluates the top priorities for future science and what missions can best address them – called the Decadal Review.  This figure highlights the prioritized large space-based missions for previous decadal reviews.  The dates listed are the launch dates for each mission.

NASA, J. Kang (STScI)Image4.7 MBPNGHistory_Space_Based_Missions

Box Live Link
urlhttps://stsci.box.com/s/mt0illlvztszifbbtdjci6euqsns2gwz

Roman Overview Presentation

https://www.stsci.edu/roman/documentation/technical-documentation

Comparison of observatories in the 2020s and their windows into the electromagnetic spectrum.  

A. James (STScI)Image1.3 MBJPGmany_observatories_wavelength_graphhttps://stsci.box.com/s/1nbv554hcym2yjth9a5etnm9ebfzwqnq

Roman Overview Presentation

https://www.stsci.edu/roman/documentation/technical-documentation

NASA Astrophysics Fleet Mission Chart

NASAimage3.5 MBPDFAstro Fleet2019-Feb21_TAGGEDhttps://stsci.box.com/s/ferl1fvl5q9j3nypo5t1lw17vcj4hm3ghttps://smd-prod.s3.amazonaws.com/science-pink/s3fs-public/atoms/files/Astro%20Fleet2019-Feb21_TAGGED.pdf

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.


Clean version.

Image from B.E. Robertson, et al. 2019, Nat Rev Phys, 1, 450



image2 MBPNGRoman_Deblending_clean

Box Live Link
urlhttps://stsci.box.com/s/6xeqaipjpgslru12lf9mrrmdelcns77k


https://ui.adsabs.harvard.edu/abs/2019NatRP...1..450R/abstract

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.

Image from B.E. Robertson, et al. 2019, Nat Rev Phys, 1, 450image2 MBPNGRoman_Deblending_annotated

Box Live Link
urlhttps://stsci.box.com/s/l09w4eytnx41ej84jqrbzfxoiuogz28f

https://ui.adsabs.harvard.edu/abs/2019NatRP...1..450R/abstract


"Cosmology with Roman" Fact Sheet

https://stsci.edu/roman/documentation/technical-documentation

This video discusses the Nancy Grace Roman Space Telescope's new near-infrared filter and the benefits it will provide.

Credit: NASA's Goddard Space Flight Center

Music: "Particles and Fields" and "Final Words" from Universal Production Music


Video654.2 MBMP413852_Roman_Standard_Candle_Supernovae_1080_Best

https://stsci.box.com/s/hpkypd9g9ppttc36gs9vnlpd3lhpo5gi

https://svs.gsfc.nasa.gov/13812

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The Nancy Grace Roman Space Telescope will partner with other observatories such as JWST, the Hubble Space Telescope, and Vera Rubin Observatory to help solve some of the universe’s greatest mysteries. The synergy will produce results greater than anything that could be achieved by any one telescope.

Illustration: J. Kang/STScI

Image718.5 KBJPGpost_03

https://stsci.box.com/s/4mt08ggayqm4sq7r6389lq3m2ax37ktm

https://twitter.com/SpaceTelescope/status/1567909893683683332