\rICESat-2 carries a single instrument called the Advanced Topographic Laser Altimeter System (ATLAS), equipped with a multiple-beam laser, which sends 10,000 pulses of light to the ground each second. A small fraction of the light photons bounce off Earth’s surface and return to the instrument, where a photon-counting detector times their flight. Knowing this time, and the satellite’s position and orientation in space, scientists can calculate Earth’s elevation below.\r
\rICESat-2 continues key elevation observations begun by the original ICESat satellite (2003 to 2009) and Operation IceBridge (2009 through present), to provide a portrait of change in the beginning of the 21st century.", "items": [], "extra_data": {} }, { "id": 339966, "url": "https://svs.gsfc.nasa.gov/11712/#media_group_339966", "widget": "Single image", "title": "", "caption": "", "description": "High resolution print graphic of the spacecraft above the Earth.", "items": [ { "id": 288271, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 450439, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011700/a011712/Icesat2-HQprint_print.jpg", "filename": "Icesat2-HQprint_print.jpg", "media_type": "Image", "alt_text": "High resolution print graphic of the spacecraft above the Earth.", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 288272, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 450440, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011700/a011712/Icesat2-HQprint_searchweb.png", "filename": "Icesat2-HQprint_searchweb.png", "media_type": "Image", "alt_text": "The Ice, Cloud and land Elevation Satellite-2, or ICESat-2, is a laser altimeter that will measure the heights of Earth’s surfaces. With ICESat-2’s high-resolution data, scientists will track changes to Earth’s ice-covered poles, which is witnessing dramatic temperature increases. The mission will also take stock of forests, map ocean surfaces, characterize clouds and more.\r\rICESat-2 carries a single instrument called the Advanced Topographic Laser Altimeter System (ATLAS), equipped with a multiple-beam laser, which sends 10,000 pulses of light to the ground each second. A small fraction of the light photons bounce off Earth’s surface and return to the instrument, where a photon-counting detector times their flight. Knowing this time, and the satellite’s position and orientation in space, scientists can calculate Earth’s elevation below.\r\rICESat-2 continues key elevation observations begun by the original ICESat satellite (2003 to 2009) and Operation IceBridge (2009 through present), to provide a portrait of change in the beginning of the 21st century.\rICESat-2 is slated for launch on a Delta-II rocket in 2017.", "width": 180, "height": 320, "pixels": 57600 } }, { "id": 288273, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 450441, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011700/a011712/Icesat2-HQprint_web.png", "filename": "Icesat2-HQprint_web.png", "media_type": "Image", "alt_text": "High resolution print graphic of the spacecraft above the Earth.", "width": 320, "height": 180, "pixels": 57600 } }, { "id": 288274, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 450442, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011700/a011712/Icesat2-HQprint_thm.png", "filename": "Icesat2-HQprint_thm.png", "media_type": "Image", "alt_text": "High resolution print graphic of the spacecraft above the Earth.", "width": 80, "height": 40, "pixels": 3200 } }, { "id": 288270, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 450438, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011700/a011712/Icesat2-HQprint.tiff", "filename": "Icesat2-HQprint.tiff", "media_type": "Image", "alt_text": "High resolution print graphic of the spacecraft above the Earth.", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 440028, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 1101653, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011700/a011712/Icesat2-HQprint.hwshow", "filename": "Icesat2-HQprint.hwshow", "media_type": "HyperwallShow", "alt_text": "", "width": 0, "height": 0, "pixels": null } } ], "extra_data": {} } ], "studio": "gms", "funding_sources": [ "PAO" ], "credits": [ { "role": "Animator", "people": [ { "name": "Chris Meaney", "employer": "HTSI" } ] }, { "role": "Producer", "people": [ { "name": "Ryan Fitzgibbons", "employer": "USRA" } ] }, { "role": "Scientist", "people": [ { "name": "Thorsten Markus", "employer": "NASA/GSFC" } ] }, { "role": "Project support", "people": [ { "name": "Aaron E. Lepsch", "employer": "ADNET Systems, Inc." } ] } ], "missions": [], "series": [], "tapes": [], "papers": [], "datasets": [], "nasa_science_categories": [ "Earth" ], "keywords": [ "HDTV", "Hyperwall" ], "recommended_pages": [], "related": [ { "id": 14900, "url": "https://svs.gsfc.nasa.gov/14900/", "page_type": "Produced Video", "title": "Arctic Sea Ice Minimum (2025)", "description": "NASA and and the National Snow and Ice Data Center on Septemeber 10th, 2025 announces that the Arctic sea ice has tied for its 10th lowest extent on record, based on nearly five decades of satellite observations. || ", "release_date": "2025-09-23T00:00:00-04:00", "update_date": "2025-09-17T09:40:19.595260-04:00", "main_image": { "id": 1158323, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a014900/a014900/20250915_SEA_ICE_UPDATE_F2025_SVS14900_1280x720_V2_THUMBNAIL.png", "filename": "20250915_SEA_ICE_UPDATE_F2025_SVS14900_1280x720_V2_THUMBNAIL.png", "media_type": "Image", "alt_text": "Arctic Sea Ice Update Fall 2025 Horizontal Version (3840x2160)Universal Production Music: Behind the Scenes Instrumental by Moenks WrighThis video can be freely shared and downloaded. For more information on NASA’s media guidelines, visit https://www.nasa.gov/nasa-brand-center/images-and-media/Complete transcript available.Watch this video on the NASA.gov Video YouTube channel.", "width": 1280, "height": 720, "pixels": 921600 } }, { "id": 4913, "url": "https://svs.gsfc.nasa.gov/4913/", "page_type": "Visualization", "title": "ICESat-2 Maps Subglacial Lakes in Antarctica", "description": "Data visualization featuring precise map of Mercer and Conway subglacial lakes in West Antarctica. The visualization sequence starts with a view of the Americas and slowly zooms into the suture between the Mercer and Whillans ice streams. Surface-height anomaly data from NASA's ICESat-2 mission provide critical insight for the drain-fill cycles of subglacial lakes and aid in the discovery of two new water bodies within the same region. 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This sequence includes colorbar, timestamp, scale bar and lake outlines.", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 13300, "url": "https://svs.gsfc.nasa.gov/13300/", "page_type": "Produced Video", "title": "New NASA Images Show Summer Melting In The Arctic Live Shots", "description": "Click HERE for quick link to audio soundbites.Click for quick link to B-ROLL for these live shotsClick for quick link to canned interview with NASA Scientist Tom NeumannClick for quick link to canned interview with NASA scientist Nathan KurtzClick for quick lin to canned interview in Spanish with NASA Scientist Edil Sepulveda || Screen_Shot_2019-08-28_at_3.03.24_PM.png (2956x450) [1.9 MB] || Screen_Shot_2019-08-28_at_3.03.24_PM_print.jpg (1024x155) [36.0 KB] || Screen_Shot_2019-08-28_at_3.03.24_PM_searchweb.png (320x180) [75.9 KB] || Screen_Shot_2019-08-28_at_3.03.24_PM_thm.png (80x40) [4.9 KB] || ", "release_date": "2019-08-29T06:10:00-04:00", "update_date": "2019-10-02T13:51:07-04:00", "main_image": { "id": 393343, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013300/a013300/Screen_Shot_2019-08-28_at_3.03.24_PM_print.jpg", "filename": "Screen_Shot_2019-08-28_at_3.03.24_PM_print.jpg", "media_type": "Image", "alt_text": "Click HERE for quick link to audio soundbites.Click for quick link to B-ROLL for these live shotsClick for quick link to canned interview with NASA Scientist Tom NeumannClick for quick link to canned interview with NASA scientist Nathan KurtzClick for quick lin to canned interview in Spanish with NASA Scientist Edil Sepulveda", "width": 1024, "height": 155, "pixels": 158720 } }, { "id": 13045, "url": "https://svs.gsfc.nasa.gov/13045/", "page_type": "Produced Video", "title": "ICESat-2 Launch Live Interviews", "description": "B-roll will be added on Thursday, Sept 6th || icesat_screen_grab.png (1324x724) [1.3 MB] || icesat_screen_grab_print.jpg (1024x559) [92.1 KB] || icesat_screen_grab_searchweb.png (320x180) [77.6 KB] || icesat_screen_grab_thm.png (80x40) [5.3 KB] || ICESat-2_B-roll_Liveshots.webm (960x540) [211.4 MB] || ICESat-2_B-roll_Liveshots_facebook_720.mp4 (1280x720) [809.8 MB] || ICESat-2_B-roll_Liveshots.mov (1280x720) [6.5 GB] || ", "release_date": "2018-09-04T16:00:00-04:00", "update_date": "2023-05-03T13:46:28.489690-04:00", "main_image": { "id": 401040, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013000/a013045/icesat_screen_grab.png", "filename": "icesat_screen_grab.png", "media_type": "Image", "alt_text": "B-roll will be added on Thursday, Sept 6th", "width": 1324, "height": 724, "pixels": 958576 } }, { "id": 12592, "url": "https://svs.gsfc.nasa.gov/12592/", "page_type": "Produced Video", "title": "Meteorologists live shots April 21", "description": "1. 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How has our view of Earth changed since the first “Earth Rise” image from the 1969 Apollo mission?\r2. Why is this global view important? \r3. What’s next?\r4. How can our viewers celebrate Earth Day tomorrow?\r5. Where can we learn more?", "width": 1024, "height": 574, "pixels": 587776 } }, { "id": 12335, "url": "https://svs.gsfc.nasa.gov/12335/", "page_type": "Produced Video", "title": "2016 Sea Ice Minimum Live Shots", "description": "Arctic Sea Ice Live Shot Roll-Ins || 12335_Sea_Ice_LS_Roll_Ins_Still.png (1275x716) [79.0 KB] || 12335_Sea_Ice_LS_Roll_Ins_Still_print.jpg (1024x575) [27.4 KB] || 12335_Sea_Ice_LS_Roll_Ins.webm (1280x720) [37.0 MB] || 12335_Sea_Ice_LS_Roll_Ins.mov (1280x720) [1.9 GB] || ", "release_date": "2016-08-15T11:00:00-04:00", "update_date": "2023-05-03T13:48:24.203937-04:00", "main_image": { "id": 421442, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a012300/a012335/WaltMeier_LS.00001_print.jpg", "filename": "WaltMeier_LS.00001_print.jpg", "media_type": "Image", "alt_text": "NASA Scientist Dr. Walt Meier", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 11976, "url": "https://svs.gsfc.nasa.gov/11976/", "page_type": "Produced Video", "title": "Sea Level Rise Live Shots", "description": "Sea Level Rising Inteview with Tom Wagner || YOUTUBE_HQ_Tom_Wagner_-_Sea_Levels_youtube_hq_print.jpg (1024x576) [128.8 KB] || WEBM_Tom_Wagner_-_Sea_Levels_1.webm (960x540) [82.0 MB] || WMV_Tom_Wagner_-_Sea_Levels_1_HD.wmv (1280x720) [39.7 MB] || APPLE_TV_Tom_Wagner_-_Sea_Levels_1_appletv.m4v (1280x720) [112.3 MB] || APPLE_TV_Tom_Wagner_-_Sea_Levels_1_appletv_subtitles.m4v (1280x720) [112.4 MB] || YOUTUBE_HQ_Tom_Wagner_-_Sea_Levels_1_youtube_hq.mov (1280x720) [369.3 MB] || NASA_TV_Tom_Wagner_-_Sea_Levels_1.mpeg (1280x720) [687.0 MB] || WEBM_Tom_Wagner_-_Sea_Levels.en_US.vtt [4.5 KB] || WEBM_Tom_Wagner_-_Sea_Levels_1.en_US.srt [4.6 KB] || WEBM_Tom_Wagner_-_Sea_Levels_1.en_US.vtt [4.5 KB] || NASA_PODCAST_Tom_Wagner_-_Sea_Levels_1_ipod_sm.mp4 (320x240) [36.7 MB] || Tom_Wagner_-_Sea_Levels_1.mov (1280x720) [2.6 GB] || ", "release_date": "2015-08-26T17:00:00-04:00", "update_date": "2023-05-03T13:49:26.002906-04:00", "main_image": { "id": 440608, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011900/a011976/Tom_Wagner.png", "filename": "Tom_Wagner.png", "media_type": "Image", "alt_text": "Interview with NASA's Cyrosphere Program Manager, Dr. Tom Wagner", "width": 1469, "height": 832, "pixels": 1222208 } }, { "id": 11726, "url": "https://svs.gsfc.nasa.gov/11726/", "page_type": "Produced Video", "title": "ATLAS: Laser Focus", "description": "Laser Focus: TimingDeputy Systems Engineer Phil Luers explains how the ATLAS transmitter and receiver subsystems come together to calculate the timing of photons, which, in turn, measure the elevation of ice.Complete transcript available.Music: \"Electric Works\" by Philippe Lhommet, Koka Media; \"From Source to Sea\" by Christophe Lebled, Pierre Jacquot, Koka Media. || Timing_still_print.jpg (1024x575) [52.8 KB] || Timing_still_searchweb.png (180x320) [51.0 KB] || Timing_still_thm.png (80x40) [4.1 KB] || 11726_Timing_prores.webm (1920x1080) [26.0 MB] || 11726_Timing_prores_appletv.m4v (1280x720) [111.3 MB] || 11726_Timing_prores_appletv_subtitles.m4v (1280x720) [111.4 MB] || 11726_Timing_h264.mp4 (1920x1080) [231.3 MB] || YOUTUBE_1080_11726_Timing_prores_youtube_1080.mp4 (1920x1080) [369.1 MB] || 11726_Timing_prores_youtube_hq.mov (1920x1080) [870.9 MB] || Timing.en_US.srt [4.3 KB] || Timing.en_US.vtt [4.3 KB] || 11726_Timing_prores.mov (1920x1080) [5.9 GB] || 11726_Timing.hwshow [64 bytes] || ", "release_date": "2015-01-07T11:00:00-05:00", "update_date": "2025-01-05T00:17:16.505055-05:00", "main_image": { "id": 447653, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011700/a011726/G2015-004_LaserFocus_nasaportal00227_print.jpg", "filename": "G2015-004_LaserFocus_nasaportal00227_print.jpg", "media_type": "Image", "alt_text": "Laser Focus: The TransmitterOpto-Mechanical Engineer Tyler Evans illustrates how the laser is transmitted from the ATLAS instrument on the ICESat-2 spacecraft.For complete transcript, click here.", "width": 1024, "height": 576, "pixels": 589824 } } ], "sources": [], "products": [ { "id": 12977, "url": "https://svs.gsfc.nasa.gov/12977/", "page_type": "Produced Video", "title": "Mass Balance of Ice Sheets", "description": "AntarcticaMusic: \"Distant Echoes,\" Adam Salkeld, Atmosphere Music Ltd. PRS; \"Evolution of Life,\" David Stephen Goldsmith, Atmosphere Music Ltd. PRSComplete transcript available. || antarc_thumb_print.jpg (1024x576) [113.1 KB] || antarc_thumb_searchweb.png (180x320) [88.3 KB] || antarc_thumb_thm.png (80x40) [6.3 KB] || Antarctica_Brunt.mov (1920x1080) [4.1 GB] || Antarctica_Brunt_facebook_720.mp4 (1280x720) [424.3 MB] || Antarctica_Brunt_twitter_720.mp4 (1280x720) [77.5 MB] || Antarctica_Brunt_youtube_1080.mp4 (1920x1080) [571.8 MB] || Antarctica_Brunt_youtube_720.mp4 (1280x720) [552.4 MB] || Antarctica_Brunt_facebook_720.webm (1280x720) [32.9 MB] || Antarctica_icesheet.en_US.srt [6.0 KB] || Antarctica_icesheet.en_US.vtt [6.0 KB] || ", "release_date": "2018-09-26T13:00:00-04:00", "update_date": "2023-05-03T13:46:25.367148-04:00", "main_image": { "id": 402977, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a012900/a012977/greenland_thumb_print.jpg", "filename": "greenland_thumb_print.jpg", "media_type": "Image", "alt_text": "GreenlandMusic: \"A New Hope,\" Al Lethbridge, Atmosphere Music Ltd. PRS; \"Spirals within a Sphere,\" Adam Salkeld, Atmosphere Music Ltd. PRSComplete transcript available.", "width": 1024, "height": 577, "pixels": 590848 } }, { "id": 12984, "url": "https://svs.gsfc.nasa.gov/12984/", "page_type": "Produced Video", "title": "ICESat-2's Eye on Ice", "description": "ICESat-2 measuring the height of ice from space || Icesat2-HQprint_1024x576.jpg (1024x576) [100.7 KB] || Icesat2-HQprint_print.jpg (1024x576) [100.7 KB] || Icesat2-HQprint_searchweb.png (320x180) [78.6 KB] || Icesat2-HQprint_thm.png (80x40) [6.0 KB] || Icesat2-HQprint.tiff (1920x1080) [7.9 MB] || ", "release_date": "2018-09-10T12:00:00-04:00", "update_date": "2023-05-03T13:46:27.819233-04:00", "main_image": { "id": 400514, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a012900/a012984/Icesat2-HQprint_1024x576.jpg", "filename": "Icesat2-HQprint_1024x576.jpg", "media_type": "Image", "alt_text": "ICESat-2 measuring the height of ice from space ", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 13062, "url": "https://svs.gsfc.nasa.gov/13062/", "page_type": "Produced Video", "title": "ICESat-2 Por Los Números (en Español)", "description": "ICESat-2 es un láser espacial de gran precisión que integra la tecnología más puntera de la NASA. Para poder medir la altura del hielo del planeta, los ingenieros deben llevar el instrumento ATLAS de ICESat-2 al extremo: a veces yendo a lo grande, otras a lo pequeño, pero siempre manteniéndolo preciso.ICESat-2 is an incredibly precise space laser that features the latest in NASA technology. To measure ice heights, engineers have to take ICESat-2’s instrument ATLAS to the extreme – sometimes going big, sometimes going small, but always keeping it precise.Click here for English-language versions. || ", "release_date": "2018-09-10T10:00:00-04:00", "update_date": "2023-05-03T13:46:28.020054-04:00", "main_image": { "id": 409779, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013000/a013062/12768_300Trillion_YOUTUBE_noaudio-firstframe.png", "filename": "12768_300Trillion_YOUTUBE_noaudio-firstframe.png", "media_type": "Image", "alt_text": "300 trillones.Música: \"Cristal Delight,\" Fred Dubois, Killer TracksTranscripción completa disponible.Watch this video on the NASA Goddard YouTube channel.", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 12768, "url": "https://svs.gsfc.nasa.gov/12768/", "page_type": "Produced Video", "title": "ICESat-2 By the Numbers", "description": "ICESat-2 is an incredibly precise space laser that features the latest in NASA technology To measure ice heights, engineers have to take ICESat-2’s instrument ATLAS to the extreme – sometimes going big, sometimes going small, but always keeping it precise. || ", "release_date": "2017-11-03T00:00:00-04:00", "update_date": "2025-01-06T01:32:30.995998-05:00", "main_image": { "id": 409659, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a012700/a012768/12768_300Trillion_YOUTUBE_noaudio-firstframe.png", "filename": "12768_300Trillion_YOUTUBE_noaudio-firstframe.png", "media_type": "Image", "alt_text": "Music: \"Cristal Delight,\" Fred Dubois, Killer TracksComplete transcript available.", "width": 1920, "height": 1080, "pixels": 2073600 } } ], "newer_versions": [], "older_versions": [ { "id": 20204, "url": "https://svs.gsfc.nasa.gov/20204/", "page_type": "Animation", "title": "ICESat 2014 Spacecraft Animations", "description": "A four-shot beauty pass of ICESat on orbit || beaa075000752_print.jpg (1024x576) [90.0 KB] || beaa0750_web.png (320x180) [56.9 KB] || beaa0750_thm.png (80x40) [5.2 KB] || IceSat-Beauty1 (1280x720) [0 Item(s)] || Icesat-Beauty-1.webmhd.webm (960x540) [11.2 MB] || Icesat-Beauty-1.mov (1280x720) [335.6 MB] || ", "release_date": "2014-02-07T15:21:00-05:00", "update_date": "2025-01-06T01:38:28.579749-05:00", "main_image": { "id": 433668, "url": "https://svs.gsfc.nasa.gov/vis/a020000/a020200/a020204/beaa075000752_print.jpg", "filename": "beaa075000752_print.jpg", "media_type": "Image", "alt_text": "A four-shot beauty pass of ICESat on orbit", "width": 1024, "height": 576, "pixels": 589824 } } ], "alternate_versions": [] }