{ "count": 55, "next": null, "previous": null, "results": [ { "id": 5587, "url": "https://svs.gsfc.nasa.gov/5587/", "result_type": "Visualization", "release_date": "2025-12-11T12:00:00-05:00", "title": "Moon Phase and Libration, 2026", "description": "The animation archived on this page shows the geocentric phase, libration, position angle of the axis, and apparent diameter of the Moon throughout the year 2026, at hourly intervals.", "hits": 10078 }, { "id": 5588, "url": "https://svs.gsfc.nasa.gov/5588/", "result_type": "Visualization", "release_date": "2025-12-11T12:00:00-05:00", "title": "Moon Phase and Libration, 2026 South Up", "description": "The animation archived on this page shows the geocentric phase, libration, position angle of the axis, and apparent diameter of the Moon throughout the year 2026, at hourly intervals.", "hits": 758 }, { "id": 5415, "url": "https://svs.gsfc.nasa.gov/5415/", "result_type": "Visualization", "release_date": "2024-11-22T09:00:00-05:00", "title": "Moon Phase and Libration, 2025", "description": "The geocentric phase, libration, position angle of the axis, and apparent diameter of the Moon throughout the year 2025, at hourly intervals.", "hits": 4878 }, { "id": 5416, "url": "https://svs.gsfc.nasa.gov/5416/", "result_type": "Visualization", "release_date": "2024-11-22T09:00:00-05:00", "title": "Moon Phase and Libration, 2025 South Up", "description": " || The data in the table for all of 2025 can be downloaded as a JSON file or as a text file. || ", "hits": 855 }, { "id": 5187, "url": "https://svs.gsfc.nasa.gov/5187/", "result_type": "Visualization", "release_date": "2023-11-16T08:00:00-05:00", "title": "Moon Phase and Libration, 2024", "description": " || The data in the table for all of 2024 can be downloaded as a JSON file or as a text file. || moon.0001.jpg (730x730) [87.6 KB] || comp.0001.tif (5760x3240) [14.8 MB] || ", "hits": 1352 }, { "id": 5188, "url": "https://svs.gsfc.nasa.gov/5188/", "result_type": "Visualization", "release_date": "2023-11-16T08:00:00-05:00", "title": "Moon Phase and Libration, 2024 South Up", "description": " || The data in the table for all of 2024 can be downloaded as a JSON file or as a text file. || moon.0001.jpg (730x730) [87.3 KB] || comp.0001.tif (5760x3240) [15.0 MB] || ", "hits": 233 }, { "id": 5048, "url": "https://svs.gsfc.nasa.gov/5048/", "result_type": "Visualization", "release_date": "2022-11-09T13:00:00-05:00", "title": "Moon Phase and Libration, 2023", "description": "Dial-A-Moon || moon.0001.jpg (730x730) || comp.0001.tif (5760x3240) || || ", "hits": 1172 }, { "id": 5049, "url": "https://svs.gsfc.nasa.gov/5049/", "result_type": "Visualization", "release_date": "2022-11-09T13:00:00-05:00", "title": "Moon Phase and Libration, 2023 South Up", "description": "Dial-A-Moon || moon.0001.jpg (730x730) || comp.0001.tif (5760x3240) || || ", "hits": 127 }, { "id": 4955, "url": "https://svs.gsfc.nasa.gov/4955/", "result_type": "Visualization", "release_date": 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"Dial-A-Moon || moon.0001.jpg (730x730) || comp.0001.tif (5760x3240) || || ", "hits": 745 }, { "id": 4769, "url": "https://svs.gsfc.nasa.gov/4769/", "result_type": "Visualization", "release_date": "2019-12-12T12:00:00-05:00", "title": "Moon Phase and Libration, 2020 South Up", "description": "Dial-A-Moon || moon.0001.jpg (730x730) || comp.0001.tif (5760x3240) || || ", "hits": 117 }, { "id": 4720, "url": "https://svs.gsfc.nasa.gov/4720/", "result_type": "Visualization", "release_date": "2019-09-06T10:00:00-04:00", "title": "CGI Moon Kit", "description": "These color and elevation maps are designed for use in 3D rendering software. 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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] || ", "hits": 59 }, { "id": 4675, "url": "https://svs.gsfc.nasa.gov/4675/", "result_type": "Visualization", "release_date": "2018-07-31T09:00:00-04:00", "title": "Moon Phases for Spherical Displays", "description": "A looping animation showing a complete cycle of lunar phases (lunar day and night) designed for spherical displays. || phases.0001_print.jpg (1024x512) [106.9 KB] || phases.0001_searchweb.png (320x180) [64.4 KB] || phases.0001_thm.png (80x40) [4.3 KB] || sos_phases_1024p30.mp4 (2048x1024) [18.8 MB] || sos_phases_2048p30.mp4 (4096x2048) [54.9 MB] || sos_phases_512p30.mp4 (1024x512) [5.2 MB] || 4096x2048_2x1_30p (4096x2048) [32.0 KB] || sos_phases_512p30.webm (1024x512) [2.2 MB] || ", "hits": 114 }, { "id": 4655, "url": "https://svs.gsfc.nasa.gov/4655/", "result_type": "Visualization", "release_date": "2018-07-20T08:45:00-04:00", "title": "Moonlight (Clair de Lune)", "description": "Set to Claude Debussy's Clair de Lune, this visualization uses Lunar Reconnaissance Orbiter data to show the stark beauty of evolving light and shadow near sunrise and sunset on the rugged lunar surface. Music performed by Timothy Michael Hammond, distributed by Killer Tracks.This video is also on the NASA Goddard YouTube channel at both 720p (HD) and 2160p (UHD or 4K). || moonlight_prores.00210_print.jpg (1024x576) [25.1 KB] || moonlight_prores.00210_searchweb.png (320x180) [9.8 KB] || moonlight_prores.00210_thm.png (80x40) [970 bytes] || moonlight_720p30.webm (1280x720) [34.3 MB] || moonlight_1080p30.mp4 (1920x1080) [312.4 MB] || moonlight_720p30.mp4 (1280x720) [319.9 MB] || moonlight_360p30.mp4 (640x360) [94.6 MB] || moonlight_2160p30.mp4 (3840x2160) [341.2 MB] || moonlight_1080p30_prores.mov (1920x1080) [4.2 GB] || moonlight_2160p30_prores.mov (3840x2160) [15.8 GB] || moonlight_2160p30.hwshow || moonlight_1080p30.hwshow || ", "hits": 226 }, { "id": 4604, "url": "https://svs.gsfc.nasa.gov/4604/", "result_type": "Visualization", "release_date": "2017-12-18T01:00:00-05:00", "title": "Moon Phase and Libration, 2018", "description": " || Dial-A-Moon || moon.0001.jpg (730x730) || comp.0001.tif (5760x3240) || ", "hits": 437 }, { "id": 4605, "url": "https://svs.gsfc.nasa.gov/4605/", "result_type": "Visualization", "release_date": "2017-12-18T01:00:00-05:00", "title": "Moon Phase and Libration, 2018 South Up", "description": " || Dial-A-Moon || moon.0001.jpg (730x730) || comp.0001.tif (5760x3240) || ", "hits": 172 }, { "id": 4468, "url": "https://svs.gsfc.nasa.gov/4468/", "result_type": "Visualization", "release_date": "2017-03-27T09:00:00-04:00", "title": "Lunar Swirls: Reiner Gamma", "description": "Beginning with a full-globe view of the lunar near side, the camera flies to a close-up, increasingly oblique view of the lunar swirl called Reiner Gamma. Narrated by LRO Deputy Project Scientist Noah Petro. Music provided by Killer Tracks: Facing the Truth — TV Mix by Eric Chevalier. || MoonFeaturesReinerGammaStill_Image_print.jpg (1024x576) [104.4 KB] || MoonFeaturesReinerGamma-Facebook.mp4 (1280x720) [48.9 MB] || MoonFeaturesReinerGamma-Twitter.mp4 (1280x720) [9.0 MB] || MoonFeaturesReinerGamma-Facebook.webm (1280x720) [3.6 MB] || MoonFeaturesReinerGamma-Captions.en_US.srt [741 bytes] || MoonFeaturesReinerGamma-Captions.en_US.vtt [753 bytes] || MoonFeaturesReinerGammaStill_Image.tif (3840x2160) [31.7 MB] || MoonFeaturesReinerGamma-Youtube4k.mp4 (3840x2160) [145.0 MB] || MoonFeaturesReinerGamma-MASTER_4KProres.mov (3840x2160) [2.1 GB] || MoonFeaturesReinerGamma-Twitter.mp4.hwshow [197 bytes] || ", "hits": 125 }, { "id": 4537, "url": "https://svs.gsfc.nasa.gov/4537/", "result_type": "Visualization", "release_date": "2016-12-22T15:00:00-05:00", "title": "Moon Phase and Libration, 2017", "description": " || Dial-A-Moon || moon.0001.jpg (730x730) || comp.0001.tif (5760x3240) || ", "hits": 435 }, { "id": 4538, "url": "https://svs.gsfc.nasa.gov/4538/", "result_type": "Visualization", "release_date": "2016-12-22T15:00:00-05:00", "title": "Moon Phase and Libration, 2017 South Up", "description": " || Dial-A-Moon || moon.0001.jpg (730x730) || comp.0001.tif (5760x3240) || ", "hits": 134 }, { "id": 4444, "url": "https://svs.gsfc.nasa.gov/4444/", "result_type": "Visualization", "release_date": "2016-08-01T09:00:00-04:00", "title": "Rima Prinz and Vera", "description": "The camera zooms from an overhead, global view centered on the northern rim of Prinz crater, at 26.3°N 43.7°W, down to an oblique, close-up view of Vera crater and the associated rille, Rima Prinz. Narrated by NASA Goddard planetary geologist Debra Hurwitz Needham. || RimaPrinzVera_MASTER.00540_print.jpg (1024x576) [68.7 KB] || RimaPrinzVera_MASTER_appletv.m4v (1280x720) [17.0 MB] || RimaPrinzVera_MASTER_appletv_subtitles.m4v (1280x720) [17.0 MB] || RimaPrinzVera_MASTER.webm (1280x720) [3.5 MB] || RimaPrinzVera_MASTER_large.mp4 (3840x2160) [37.0 MB] || RimaPrinzVera_MASTER_ipod_sm.mp4 (320x240) [6.2 MB] || RimaPrinzVera_MASTER_youtube_hq.en_US.srt [747 bytes] || RimaPrinzVera_MASTER_youtube_hq.en_US.vtt [760 bytes] || RimaPrinzVera_MASTER.mpeg (1280x720) [122.3 MB] || RimaPrinzVera_MASTER_prores.mov (1280x720) [510.9 MB] || RimaPrinzVera_MASTER_youtube_hq.mov (3840x2160) [305.5 MB] || ", "hits": 87 }, { "id": 4404, "url": "https://svs.gsfc.nasa.gov/4404/", "result_type": "Visualization", "release_date": "2015-12-10T12:00:00-05:00", "title": "Moon Phase and Libration, 2016", "description": " || Click on the image to download a high-resolution version with labels for craters near the terminator.The data in the table for the entire year can be downloaded as a JSON file or as a text file. || moon.0001.jpg (730x730) [74.4 KB] || comp.0001.tif (1920x1080) [2.5 MB] || ", "hits": 512 }, { "id": 4405, "url": "https://svs.gsfc.nasa.gov/4405/", "result_type": "Visualization", "release_date": "2015-12-10T12:00:00-05:00", "title": "Moon Phase and Libration, 2016 South Up", "description": " || Click on the image to download a high-resolution version with labels for craters near the terminator.The data in the table for the entire year can be downloaded as a JSON file or as a text file. || moon.0001.jpg (730x730) [74.4 KB] || comp.0001.tif (3840x2160) [7.1 MB] || ", "hits": 94 }, { "id": 4310, "url": "https://svs.gsfc.nasa.gov/4310/", "result_type": "Visualization", "release_date": "2015-05-01T00:00:00-04:00", "title": "Moon Phases Loop", "description": "A looping animation showing a complete cycle of average lunar phases. || moon.0060_print.jpg (1024x576) [57.1 KB] || moon.0060_searchweb.png (320x180) [33.1 KB] || moon.0060_thm.png (80x40) [3.1 KB] || moon_720p30.mp4 (1280x720) [1.5 MB] || moon_1080p30.mp4 (1920x1080) [3.4 MB] || 1920x1080_16x9_30p (1920x1080) [16.0 KB] || moon_720p30.webm (1280x720) [873.0 KB] || moon_2160p30.mp4 (3840x2160) [11.6 MB] || moon_360p30.mp4 (640x360) [401.5 KB] || 5760x3240_16x9_30p (5760x3240) [16.0 KB] || moon_1080p30_4310.pptx [3.9 MB] || moon_1080p30_4310.key [6.3 MB] || ", "hits": 706 }, { "id": 4253, "url": "https://svs.gsfc.nasa.gov/4253/", "result_type": "Visualization", "release_date": "2015-02-04T09:00:00-05:00", "title": "Moon Phase and Libration, from the Other Side", "description": "This narrated video introduces two views of the Moon's far side. Transcript.This video is also available on our YouTube channel. || opposite.0820_print.jpg (1024x576) [158.8 KB] || opposite.0820_thm.png (80x40) [5.8 KB] || G2015-013_ViewfromOtherSide_MASTER_youtube_hq.mov (1280x720) [75.4 MB] || G2015-013_ViewfromOtherSide_MASTER_1280x720.wmv (1280x720) [50.7 MB] || G2015-013_ViewfromOtherSide_MASTER_appletv.m4v (960x540) [43.3 MB] || G2015-013_ViewfromOtherSide_MASTER_appletv.webm (960x540) [13.8 MB] || G2015-013_ViewfromOtherSide_MASTER_appletv_subtitles.m4v (960x540) [43.2 MB] || G2015-013_ViewfromOtherSide_MASTER_nasaportal.mov (640x360) [34.9 MB] || G2015-013_ViewfromOtherSide_MASTER_ipod_lg.m4v (640x360) [19.0 MB] || G2015-013_ViewfromOtherSide.en_US.srt [2.0 KB] || G2015-013_ViewfromOtherSide.en_US.vtt [2.0 KB] || G2015-013_ViewfromOtherSide_MASTER_prores.mov (1280x720) [1.5 GB] || G2015-013_ViewfromOtherSide_MASTER_ipod_sm.mp4 (320x240) [9.0 MB] || ", "hits": 275 }, { "id": 4236, "url": "https://svs.gsfc.nasa.gov/4236/", "result_type": "Visualization", "release_date": "2014-12-09T06:00:00-05:00", "title": "Moon Phase and Libration, 2015", "description": " || New: Click on the image to download a high-resolution version with labels for craters near the terminator. The data in the table for the entire year can be downloaded as a JSON file or as a text file. || moon.0001.jpg (730x730) [92.5 KB] || comp.0001.tif (1920x1080) [2.5 MB] || ", "hits": 275 }, { "id": 4237, "url": "https://svs.gsfc.nasa.gov/4237/", "result_type": "Visualization", "release_date": "2014-12-09T06:00:00-05:00", "title": "Moon Phase and Libration, 2015 South Up", "description": " || New: Click on the image to download a high-resolution version with labels for craters near the terminator. The data in the table for the entire year can be downloaded as a JSON file or as a text file. || moon.0001.jpg (730x730) [92.6 KB] || comp.0001.tif (1920x1080) [2.5 MB] || ", "hits": 81 }, { "id": 10183, "url": "https://svs.gsfc.nasa.gov/10183/", "result_type": "Produced Video", "release_date": "2014-11-13T13:00:00-05:00", "title": "How Do Active Volcanoes Change Clouds?", "description": "NASA Goddard Space Flight Center scientist Andrew Sayer talks about how emissions from volcanoes can affect clouds.This video provides an overview of research published in the Journal of Atmospheric Chemistry and Physics Research:Systematic satellite observations of the impact of aerosols from passive volcanic degassing on local cloud propertiesJournal of Atmospheric Chemistry and Physics, October 9, 2014 || ", "hits": 57 }, { "id": 4205, "url": "https://svs.gsfc.nasa.gov/4205/", "result_type": "Visualization", "release_date": "2014-09-24T09:00:00-04:00", "title": "Earth Science Heads-up Display", "description": "On September 10, 2014, NASA's Earth Observing System (EOS) was celebrated in an evening event at the Smithsonian National Air and Space Museum in Washington DC. The title of this event was \"Vital Signs: Taking the Pulse of Our Planet\", and the speakers at this event included several Earth Scientists from Goddard Space Flight Center. This animation was used in the beginning of the event to illustrate the interconnectedness of the many Earth-based data sets that NASA has produced over the last decade or so. The animation simulates a view of the Earth from the International Space Station, over which interconnected data sets are displayed as if on a head-up display. || ", "hits": 53 }, { "id": 11631, "url": "https://svs.gsfc.nasa.gov/11631/", "result_type": "Produced Video", "release_date": "2014-08-28T00:00:00-04:00", "title": "REEL Science Communication workshop videos", "description": "In July, 2014, the three winning groups of the REEL Science Communication contest participated in a remote video production workshop with NASA communication experts and scientists to create feature videos about NASA Earth science missions. The high school students worked with scientists from the Terra, Aqua, and ICESat-2 missions. These are their resulting videos. For more information about the REEl Science Communication contest and to see the videos that won these students the opportunity to participate in the workshop, visit reelscience.gsfc.nasa.gov. || ", "hits": 18 }, { "id": 4138, "url": "https://svs.gsfc.nasa.gov/4138/", "result_type": "Visualization", "release_date": "2014-03-11T08:00:00-04:00", "title": "Cover Candidate for PNAS:

Albedo Decrease Linked to Arctic Sea Ice", "description": "These still images were generated to be cover candidates for the Proceedings of the National Academy of Sciences (PNAS). The images display data from the paper \"Observational determination of albedo decrease caused by vanishing Arctic sea ice\". Average September Arctic sea ice from 1979 is shown on the top globe of each image. Average September Arctic sea ice from 2012 with change in albedo overlaid is shown in the bottom globe of each image. Two images are provided which use different color tables.This is the first study to document Arctic-wide decrease in planetary albedo using satellite radiation budget measurements and sea ice data. The study finds a very strong correlation between sea ice cover and planetary albedo.Here are links to the related NASA press release and the article. || ", "hits": 30 }, { "id": 4118, "url": "https://svs.gsfc.nasa.gov/4118/", "result_type": "Visualization", "release_date": "2013-12-06T00:01:00-05:00", "title": "Moon Phase and Libration, 2014", "description": " || The data in the table for the entire year can be downloaded as a JSON file or as a text file. || moon.0001.jpg (730x730) [27.9 KB] || comp.0001.tif (1920x1080) [1.5 MB] || ", "hits": 261 }, { "id": 4119, "url": "https://svs.gsfc.nasa.gov/4119/", "result_type": "Visualization", "release_date": "2013-12-06T00:01:00-05:00", "title": "Moon Phase and Libration, 2014 South Up", "description": " || The data in the table for the entire year can be downloaded as a JSON file or as a text file. || moon.0001.jpg (730x730) [27.7 KB] || comp.0001.tif (1920x1080) [1.5 MB] || ", "hits": 64 }, { "id": 30371, "url": "https://svs.gsfc.nasa.gov/30371/", "result_type": "Hyperwall Visual", "release_date": "2013-10-24T12:00:00-04:00", "title": "Monthly Albedo", "description": "When sunlight reaches the Earth’s surface, some of it is absorbed and some is reflected. The relative amount, or ratio, of light that a surface reflects compared to the total incoming sunlight is called albedo. Surfaces with high albedos include sand, snow and ice, and some urban surfaces, such as concrete. Surfaces with low albedos include forests, the ocean, and some urban surfaces, such as asphalt. These maps show monthly albedo from February 2000 to the present, on a scale from 0 (no incoming sunlight being reflected) to 0.9 (nearly all incoming light being reflected). Darker blue colors indicate that the surface is not reflecting much light, while paler blues indicate higher proportions of incoming light are being reflected. Black areas indicate “no data,” either over ocean or because persistent cloudiness prevented enough views of the surface. The observations are based on atmospherically corrected, cloud-cleared reflectance observations from the MODIS sensors on NASA’s Aqua and Terra satellites. || ", "hits": 107 }, { "id": 10898, "url": "https://svs.gsfc.nasa.gov/10898/", "result_type": "Produced Video", "release_date": "2012-01-11T00:00:00-05:00", "title": "This World Is Black and White", "description": "A look at how the historic DaisyWorld model illustrates earth science concepts, such as albedo and feedback loops.This webshort was produced as an educational tie-in with the Science On a Sphere feature LOOP. || ", "hits": 66 }, { "id": 20025, "url": "https://svs.gsfc.nasa.gov/20025/", "result_type": "Animation", "release_date": "2010-05-14T12:00:00-04:00", "title": "Cloud Albedo", "description": "Clouds greatly effect the earth's solar energy balance. Albedo, or reflectance, deflects a portion of the influx of solar energy from reaching our planet's surface. At the same time, a blanket of clouds insulates, preventing total loss of allthermal surface heat radiance out into space. This very important balance of energy is essential to our planet's ability to support life. || ", "hits": 89 }, { "id": 20116, "url": "https://svs.gsfc.nasa.gov/20116/", "result_type": "Animation", "release_date": "2007-09-17T00:00:00-04:00", "title": "Global Ice Albedo ALTERNATE", "description": "This is a conceptual animation showing how polar ice reflects light from the sun. As this ice begins to melt, less sunlight gets reflected into space. It is instead absorbed into the oceans and land, raising the overall temperature, and fueling further melting. || icealbedoGalt_512x28800077_print.jpg (1024x576) [67.8 KB] || icealbedoGalt_512x288_web.png (320x180) [175.8 KB] || icealbedoGalt_512x288_thm.png (80x40) [14.0 KB] || 1280x720_16x9_60p (1280x720) [128.0 KB] || icealbedoGalt_720p.m2v (1280x720) [36.5 MB] || icealbedoGalt_720p.webmhd.webm (960x540) [4.7 MB] || a010160_icealbedoGalt_720p.mp4 (640x360) [3.2 MB] || icealbedoGalt_512x288.m1v (512x288) [6.3 MB] || ", "hits": 206 }, { "id": 3089, "url": "https://svs.gsfc.nasa.gov/3089/", "result_type": "Visualization", "release_date": "2005-02-01T12:00:00-05:00", "title": "Average Clear-sky Albedo (WMS)", "description": "The Earth's climate is determined by energy transfer from the sun to the Earth's land, oceans, and atmosphere. As the Earth rotates, the sun lights up only part of the Earth at a time, and some of that incoming solar energy is reflected and some is absorbed, depending on type of area it lights. The average amount of reflection and absorption is critical to the climate, because the absorbed energy heats up the Earth until it is radiated away as thermal radiation. This animation shows the monthly average clear-sky albedo from July, 2002 through June, 2004 as measured by the CERES instrument. This is the fraction of the incoming solar radiation that is reflected back into space by regions of the Earth on cloud-free days. The regions of highest albedo are regions of snow and ice, followed by desert regions. Oceans have the lowest albedo, and reflect very little of the incoming solar radiation. It is not possible to measure the albedo during the winter months at the poles, since there is no incoming solar radiation during these times. || ", "hits": 29 }, { "id": 3090, "url": "https://svs.gsfc.nasa.gov/3090/", "result_type": "Visualization", "release_date": "2005-02-01T12:00:00-05:00", "title": "Average Total-sky Albedo (WMS)", "description": "The Earth's climate is determined by energy transfer from the sun to the Earth's land, oceans, and atmosphere. As the Earth rotates, the sun lights up only part of the Earth at a time, and some of that incoming solar energy is reflected and some is absorbed, depending on type of area it lights. The average amount of reflection and absorption is critical to the climate, because the absorbed energy heats up the Earth until it is radiated away as thermal radiation. This animation shows the monthly average albedo from July, 2002 through June, 2004 as measured by the CERES instrument. This is the fraction of the incoming solar radiation that is reflected back into space by regions of the Earth. The regions of highest albedo are regions of snow and ice, followed by desert regions and regions where there is significant cloud cover during the year. Oceans have the lowest albedo. It is not possible to measure the albedo during the winter months at the poles, since there is no incoming solar radiation during these times. || ", "hits": 75 }, { "id": 20022, "url": "https://svs.gsfc.nasa.gov/20022/", "result_type": "Animation", "release_date": "2004-02-05T12:00:00-05:00", "title": "Ice Albedo: Bright White Reflects Light", "description": "This animation provides a close perspective of the relationship between ice and solar reflectivity. As glaciers, the polar caps, and icebergs (shown here) melt, less sunlight gets reflected into space. Instead, the oceans and land absorb the light, thus raising the overall temperature and adding energy to a vicious circle. || ", "hits": 525 }, { "id": 20020, "url": "https://svs.gsfc.nasa.gov/20020/", "result_type": "Animation", "release_date": "2003-12-12T12:00:00-05:00", "title": "Ice Albedo-Close Up", "description": "This is a conceptual animation showing how melting ice on land and at sea, can affect the surrounding ocean water, changing both the chemistry and relative sea level. || ", "hits": 39 }, { "id": 20021, "url": "https://svs.gsfc.nasa.gov/20021/", "result_type": "Animation", "release_date": "2003-12-12T12:00:00-05:00", "title": "Ice Albedo - Global View", "description": "This is a conceptual animation showing how polar ice reflects light from the sun. As this ice begins to melt, less sunlight gets reflected into space. It is instead absorbed into the oceans and land, raising the overall temperature, and fueling further melting. || ", "hits": 103 }, { "id": 2477, "url": "https://svs.gsfc.nasa.gov/2477/", "result_type": "Visualization", "release_date": "2002-07-01T12:00:00-04:00", "title": "True Color MODIS Albedo Image Improves Climate Modeling", "description": "The MODIS instrument, flying aboard NASA's Terra and Aqua satellites, measures how much solar radiation is reflected by the Earth's surface almost every day over the entire planet. Zooming in on Africa's Sahara Desert and the Arabian Peninsula, MODIS observed considerable variability in reflectance across the region-from the darkest volcanic terrains to the brightest sand. This matches specific soil groups and rock types to MODIS-derived albedo measurements. This correlation is important because most current weather forecast models treat this region as if the surface is uniform and therefore reflects the same amount of light all across its wide expanse. However, the terrain across the Sahara Desert and Arabian Peninsula is actually quite varied. Darker surface features (like rocks and plant canopies) absorb more light than lighter surfaces (like sand) and therefore get hotter in the afternoon. Over the course of a day, these heating differences can set up atmospheric motions that influence global clouds and rain. || ", "hits": 35 }, { "id": 2478, "url": "https://svs.gsfc.nasa.gov/2478/", "result_type": "Visualization", "release_date": "2002-07-01T12:00:00-04:00", "title": "MODIS White Sky Albedo Image Improves Climate Modeling", "description": "The MODIS instrument, flying aboard NASA's Terra and Aqua satellites, measures how much solar radiation is reflected by the Earth's surface almost every day over the entire planet. The colors in this image emphasize the albedos ranging from 0.0 to 0.4 over the Earth's land surfaces. Areas colored red show the brightest, most reflective regions; yellows and greens are intermediate values; and blues and violets show relatively dark surfaces. White indicates no data were available, and no albedo data are provided over the oceans. This image was produced using data composited over a 6-day period, from April 7-22, 2002. || ", "hits": 24 }, { "id": 2479, "url": "https://svs.gsfc.nasa.gov/2479/", "result_type": "Visualization", "release_date": "2002-07-01T12:00:00-04:00", "title": "MODIS Albedo Globe Unwraps to MODIS Albedo True Color Flat Map", "description": "The MODIS instrument, flying aboard NASA's Terra and Aqua satellites, measures how much solar radiation is reflected by the Earth's surface almost every day over the entire planet. Zooming in on Africa's Sahara Desert and the Arabian Peninsula, MODIS observed considerable variability in reflectance across the region-from the darkest volcanic terrains to the brightest sand. This matches specific soil groups and rock types to MODIS-derived albedo measurements. This correlation is important because most current weather forecast models treat this region as if the surface is uniform and therefore reflects the same amount of light all across its wide expanse. However, the terrain across the Sahara Desert and Arabian Peninsula is actually quite varied. Darker surface features (like rocks and plant canopies) absorb more light than lighter surfaces (like sand) and therefore get hotter in the afternoon. Over the course of a day, these heating differences can set up atmospheric motions that influence global clouds and rain. || ", "hits": 27 }, { "id": 2480, "url": "https://svs.gsfc.nasa.gov/2480/", "result_type": "Visualization", "release_date": "2002-07-01T12:00:00-04:00", "title": "MODIS White Sky Albedo Unwraps to False Color Albedo Flat Map", "description": "The MODIS instrument, flying aboard NASA's Terra and Aqua satellites, measures albedo. Albedo measures the proportion of incoming solar radiation reaching a surface that is reflected back to the atmosphere and to space. For an unchanging surface, albedo can vary somewhat, depending on the sky and atmospheric conditions. This image maps the white-sky albedo, which is the albedo under conditions of a uniform, dense cloud cover, in which downwelling light energy comes uniformly from all directions. The color bar indicates the albedo value ranging from 0.0 to 0.4 over the Earth's land surfaces. Areas colored red show the brightest, most reflective regions; yellows and greens are intermediate values; and blues and violets show relatively dark surfaces. White indicates no data is available. Typically, vegetated surfaces and water have low albedos, while soil and urban surfaces have somewhat higher values. Note that solar energy that is not reflected away from a surface is absorbed by that surface. Thus, albedo also provides information about the amount of energy absorbed by a surface. Since this energy serves to heat the soil and the air just above the surface, albedo is an important factor in weather and climate studies, and especially is important for modeling of weather and climate on scales of days to years.This image was produced using data composited over a 16-day period, from April 7-22, 2002. || ", "hits": 39 }, { "id": 2483, "url": "https://svs.gsfc.nasa.gov/2483/", "result_type": "Visualization", "release_date": "2002-07-01T12:00:00-04:00", "title": "Spinning MODIS Albedo", "description": "The MODIS instrument, flying aboard NASA's Terra and Aqua satellites, measures how much solar radiation is reflected by the Earth's surface almost every day over the entire planet. Zooming in on Africa's Sahara Desert and the Arabian Peninsula, MODIS observed considerable variability in reflectance across the region-from the darkest volcanic terrains to the brightest sand. This matches specific soil groups and rock types to MODIS-derived albedo measurements. This correlation is important because most current weather forecast models treat this region as if the surface is uniform and therefore reflects the same amount of light all across its wide expanse. However, the terrain across the Sahara Desert and Arabian Peninsula is actually quite varied. Darker surface features (like rocks and plant canopies) absorb more light than lighter surfaces (like sand) and therefore get hotter in the afternoon. Over the course of a day, these heating differences can set up atmospheric motions that influence global clouds and rain. || ", "hits": 94 } ] }