{ "count": 28, "next": null, "previous": null, "results": [ { "id": 31367, "url": "https://svs.gsfc.nasa.gov/31367/", "result_type": "Hyperwall Visual", "release_date": "2026-02-27T12:00:00-05:00", "title": "NISAR Satellite and Science", "description": "Animation showing NISAR satellite insruments and scientific research.", "hits": 78 }, { "id": 5615, "url": "https://svs.gsfc.nasa.gov/5615/", "result_type": "Visualization", "release_date": "2026-02-17T09:00:00-05:00", "title": "NISAR satellite orbit", "description": "NISAR satellite orbit with ground data swath", "hits": 187 }, { "id": 31167, "url": "https://svs.gsfc.nasa.gov/31167/", "result_type": "Hyperwall Visual", "release_date": "2021-09-27T00:00:00-04:00", "title": "Radar Detects Oil Slick in Gulf of Mexico", "description": "An oil slick is detected in airborne radar data and satellite visible band imagery. || delta-x_uavsar_oil_slick_PIA24540_print.jpg (1024x576) [145.6 KB] || delta-x_uavsar_oil_slick_PIA24540.png (3840x2160) [8.2 MB] || delta-x_uavsar_oil_slick_PIA24540_searchweb.png (320x180) [79.5 KB] || delta-x_uavsar_oil_slick_PIA24540_thm.png (80x40) [6.0 KB] || delta-x_uavsar_oil_slick_PIA24540.hwshow [324 bytes] || ", "hits": 51 }, { "id": 13467, "url": "https://svs.gsfc.nasa.gov/13467/", "result_type": "Produced Video", "release_date": "2019-12-09T14:00:00-05:00", "title": "Operation IceBridge - Radar", "description": "The University of Kansas's Center for Remote Sensing of Ice Sheets (CReSIS) operates a variety of radar instruments on the IceBridge P-3B and DC-8 airborne laboratories. Each of these instruments uses a different frequency band, which gives them the ability to examine the entire ice column, ranging from the surface, through accumulated snow and all the way down to the bedrock below.Radar Instruments Used:Multichannel Coherent Radar Depth Sounder (MCoRDS)Snow RadarAccumulation RadarKu-Band Radar AltimeterHigh Capability Radar Sounder (HiCARS) || ", "hits": 17 }, { "id": 13468, "url": "https://svs.gsfc.nasa.gov/13468/", "result_type": "Produced Video", "release_date": "2019-12-09T14:00:00-05:00", "title": "Operation IceBridge - Snow Radar", "description": "The snow radar instrument measures the thickness of snow on top of sea ice, which allows researchers to make more accurate sea ice thickness measurements. Scientists can measure sea ice freeboard, or the amount above the water’s surface, and using the known ratio of ice above and below water to calculate thickness. Snow accumulation can give higher freeboard figures, skewing these results, so knowing snow accumulation is important for measuring sea ice thickness. || ", "hits": 16 }, { "id": 13162, "url": "https://svs.gsfc.nasa.gov/13162/", "result_type": "Produced Video", "release_date": "2019-03-29T13:00:00-04:00", "title": "Flying Alaskan Glaciers", "description": "Flying low over some of the most dramatic landscapes on the planet, a cadre of scientists and pilots have been measuring changes in Alaskan glaciers as part of NASA’s Operation IceBridge for almost a decade. The team has seen significant change in ice extent and thickness over that time. Data from the mission was used in a 2015 study that put numbers on the loss of Alaskan glaciers: 75 billion tons of ice every year from 1994 to 2013. Last summer, Chris Larsen and Martin Truffer, both of the University of Alaska Fairbanks, flew with University of Arizona's Jack Holt and University of Texas student Michael Christoffersen. || OIB_Alaska_Final.00010_print.jpg (1024x576) [109.9 KB] || OIB_Alaska_Final.00010_searchweb.png (320x180) [96.3 KB] || OIB_Alaska_Final.00010_thm.png (80x40) [6.8 KB] || OIB_Alaska_Final.mp4 (1920x1080) [939.1 MB] || YOUTUBE_1080_OIB_Alaska_Final_youtube_1080.mp4 (1920x1080) [977.3 MB] || OIB_Alaska_Final.webm (1920x1080) [76.9 MB] || OIB_Alaska_Final.en_US.srt [12.6 KB] || OIB_Alaska_Final.en_US.vtt [12.6 KB] || ", "hits": 33 }, { "id": 12050, "url": "https://svs.gsfc.nasa.gov/12050/", "result_type": "Produced Video", "release_date": "2015-11-10T16:00:00-05:00", "title": "Researchers Gear Up For OLYMPEX", "description": "From November 10 through December 21, NASA and university scientists are taking to the field to study wet winter weather near Seattle, Washington. With weather radars, weather balloons, specialized ground instruments, and NASA's DC-8 flying laboratory, the science team will be verifying rain and snowfall observations made by the Global Precipitation Measurement (GPM) satellite mission on a NASA-led field campaign, The Olympic Mountain Experiment, or OLYMPEX.For more information: http://www.nasa.gov/feature/goddard/nasa-heads-to-pacific-northwest-for-field-campaign-to-measure-rain-and-snowfall || ", "hits": 26 }, { "id": 11877, "url": "https://svs.gsfc.nasa.gov/11877/", "result_type": "Produced Video", "release_date": "2015-05-26T15:00:00-04:00", "title": "Water Falls: Getting the Big Picture", "description": "A short video the explores the uses and advantages of remote sensing.Complete transcripts are available in English and Brazilian Portuguese. || Remote_Sensing_Final-H264_Best_1080_print.jpg (1024x576) [69.4 KB] || Remote_Sensing_Final-H264_Best_1080_searchweb.png (180x320) [41.4 KB] || Remote_Sensing_Final-H264_Best_1080_web.png (320x180) [41.4 KB] || Remote_Sensing_Final-H264_Best_1080_thm.png (80x40) [5.7 KB] || Remote_Sensing_Final-H264_Best_1080.mov (1920x1080) [695.5 MB] || Remote_Sensing_Final-H264_Best_1080.webm (1920x1080) [20.7 MB] || Remote_Sensing_Final_1280x720.wmv (1280x720) [67.5 MB] || 11877_Remote_Sensing_Final_large.mp4 (1920x1080) [195.3 MB] || Remote_Sensing_Final_youtube_hq.mov (1920x1080) [87.0 MB] || Remote_Sensing_Final_appletv.m4v (960x540) [64.7 MB] || Remote_Sensing_Final_prores.mov (1280x720) [1.9 GB] || Remote_Sensing_Final_appletv_subtitles.m4v (960x540) [64.6 MB] || 11877_RemoteSensing.pt_BR.vtt [4.1 KB] || 11877_RemoteSensing.pt_BR.srt [4.4 KB] || RemoteSensing.en_US.vtt [3.5 KB] || RemoteSensing.en_US.srt [3.5 KB] || Remote_Sensing_Final_ipod_lg.m4v (640x360) [29.0 MB] || Remote_Sensing_Final_ipod_sm.mp4 (320x240) [15.2 MB] || ", "hits": 36 }, { "id": 30596, "url": "https://svs.gsfc.nasa.gov/30596/", "result_type": "Hyperwall Visual", "release_date": "2015-04-21T00:00:00-04:00", "title": "NASA Soil Moisture Mission Produces First Global Maps", "description": "SMAP radiometer image. || SMAP_brightness_temperature_PIA18057_print.jpg (1024x574) [154.9 KB] || SMAP_brightness_temperature_PIA18057.png (4104x2304) [5.3 MB] || SMAP_brightness_temperature_PIA18057_web.jpg (319x179) [20.4 KB] || SMAP_brightness_temperature_PIA18057_searchweb.png (320x180) [65.2 KB] || SMAP_brightness_temperature_PIA18057.pptx [2.6 MB] || SMAP_brightness_temperature_PIA18057.key [8.7 MB] || SMAP_brightness_temperature_PIA18057.hwshow [121 bytes] || ", "hits": 28 }, { "id": 11669, "url": "https://svs.gsfc.nasa.gov/11669/", "result_type": "Produced Video", "release_date": "2014-10-06T00:00:00-04:00", "title": "HIWRAP Instrument", "description": "The HIWRAP is the High-Altitude Imaging Wind and Rain Airborne Profiler, a \"conically scanning\" Doppler radar, meaning it scans in a cone-shaped manner. Wind measurements are crucial for understanding and forecasting tropical storms since they are closely tied to the overall dynamics of the storm. The HIWRAP instrument is able to measure line-of-sight (along the radar beam) and because it scans in a cone beneath the aircraft, it gets two looks at most parts of the storm, allowing calculations of the 3-dimensional wind and rain fields. In the absence of rain, it can also measure ocean surface winds. || ", "hits": 9 }, { "id": 11492, "url": "https://svs.gsfc.nasa.gov/11492/", "result_type": "Produced Video", "release_date": "2014-02-23T10:00:00-05:00", "title": "GPM Weather Report Package", "description": "Data from the GPM Core Observatory will enable the first ever \"CAT scans\" from space of blizzards in the mid-latitudes where populations rely on snowpack for water resources and cities can be crippled by extreme snow storms. Just like a doctor uses CAT scans and X-Rays to diagnose what is happening in the human body, scientists use GPM's measurements to diagnose the internal structures of precipitation. By providing more accurate and frequent observations of rain and snow, GPM enables weather prediction centers to improve their forecasts.For more information about GPM, visit www.nasa.gov/gpm. || ", "hits": 17 }, { "id": 30357, "url": "https://svs.gsfc.nasa.gov/30357/", "result_type": "Hyperwall Visual", "release_date": "2013-12-22T12:00:00-05:00", "title": "Computer-simulated Global View of Venus", "description": "This global view of the surface of Venus is centered at 180 degrees east longitude. Magellan synthetic aperture radar mosaics from the first cycle of Magellan mapping are mapped onto a computer-simulated globe to create this image. Data gaps are filled with Pioneer Venus Orbiter data, or a constant mid-range value. Simulated color is used to enhance small-scale structure. The simulated hues are based on color images recorded by the Soviet Venera 13 and 14 spacecraft. || ", "hits": 112 }, { "id": 11398, "url": "https://svs.gsfc.nasa.gov/11398/", "result_type": "Produced Video", "release_date": "2013-11-05T12:00:00-05:00", "title": "GPM Video File", "description": "The Global Precipitation Measurement (GPM) mission is an international satellite mission that will set a new standard for precipitation measurements from space, providing the next-generation observations of rain and snow worldwide every three hours. GPM data will advance our understanding of the water and energy cycles and extend the use of precipitation data to directly benefit society. JAXA, the Japan Aerospace Exploration Agency, is NASA's main partner in GPM. GPM will launch in early 2014. || ", "hits": 22 }, { "id": 30358, "url": "https://svs.gsfc.nasa.gov/30358/", "result_type": "Hyperwall Visual", "release_date": "2013-10-22T12:00:00-04:00", "title": "Hemispheric View of Venus", "description": "The hemispheric view of Venus, as revealed by more than a decade of radar investigations culminating in the 1990-1994 Magellan mission, is centered at 180 degrees east longitude. The Magellan spacecraft imaged more than 98 percent of Venus at a resolution of about 100 meters; the effective resolution of this image is about 3 km. A mosaic of the Magellan images (most with illumination from the west) forms the image base. Gaps in the Magellan coverage were filled with images from the Earth-based Arecibo radar in a region centered roughly on 0 degree latitude and longitude, and with a neutral tone elsewhere (primarily near the south pole). The composite image was processed to improve contrast and to emphasize small features, and was color-coded to represent elevation. Gaps in the elevation data from the Magellan radar altimeter were filled with altimetry from the Venera spacecraft and the U.S. Pioneer Venus missions. An orthographic projection was used, simulating a distant view of one hemisphere of the planet. || ", "hits": 263 }, { "id": 30173, "url": "https://svs.gsfc.nasa.gov/30173/", "result_type": "Hyperwall Visual", "release_date": "2013-10-17T12:00:00-04:00", "title": "Observing wildfires using UAVSAR", "description": "Synthetic aperture radar systems that are able to transmit and receive multiple polarizations may provide useful information to help combat, and possibly detect, wildfires as this image of the 2009 Station Fire in the Angeles National Forest shows. The data shown here in a grayscale overlay represent the change in the component of the radar scattering that is attributable to leafy vegetation, with lighter shading representing greater changes than darker shading. The blue outline delineates the boundary of the total burned zone as determined by an independent survey conducted by the U.S. Forest Service. The radar data were collected by NASA's Uninhabited Aerial Vehicle Synthetic Aperture Radar system on February 27 and September 18, 2009 while most of the damage from the Station Fire occurred between August 26 and September 4, 2009. || ", "hits": 8 }, { "id": 30174, "url": "https://svs.gsfc.nasa.gov/30174/", "result_type": "Hyperwall Visual", "release_date": "2013-10-17T12:00:00-04:00", "title": "Southern California Groundwater", "description": "This animation depicts variations in surface elevation resulting from the discharge and recharge of groundwater basins in Southern California. These seasonal fluctuations, which range between -5 and +5 centimeters (-2 to +2 inches), result from the pumping of groundwater during the dry season (Summer/Fall) and recharge of the basins during the wet season (Winter/Spring). Reductions in elevation, resulting from extraction of groundwater, are shown in orange, while increases in elevation, resulting from the recharge of the basins, are shown in blue. || ", "hits": 12 }, { "id": 30188, "url": "https://svs.gsfc.nasa.gov/30188/", "result_type": "Hyperwall Visual", "release_date": "2013-10-17T12:00:00-04:00", "title": "Mount Etna Deformation", "description": "This animation depicts a time-series of ground deformation at Mount Etna Volcano between 1992 and 2001. The deformation results from changes in the volume of a shallow chamber centered approximately 5 km (3 miles) below sea level. The accumulation of magma in this chamber results in the inflation, or expansion, of the volcano, while the release of magma from the chamber results in deflation or contraction. || ", "hits": 20 }, { "id": 11288, "url": "https://svs.gsfc.nasa.gov/11288/", "result_type": "Produced Video", "release_date": "2013-05-31T00:00:00-04:00", "title": "Anatomy of a Raindrop", "description": "This short video explains how a raindrop falls through the atmosphere and why a more accurate look at raindrops can improve estimates of global precipitation.For a printable droplet hand out click here. || ", "hits": 30 }, { "id": 11259, "url": "https://svs.gsfc.nasa.gov/11259/", "result_type": "Produced Video", "release_date": "2013-05-01T10:00:00-04:00", "title": "GROVER Heads to Greenland", "description": "NASA is ready to test a new student-designed rover at the Summit Camp in Greenland, a research station sitting on a two-mile thick sheet of ice. The Goddard Remotely Operated Vehicle for Exploration and Research, or GROVER, carries ground-penetrating radar capable of measuring snow accumulation over time. || ", "hits": 26 }, { "id": 11253, "url": "https://svs.gsfc.nasa.gov/11253/", "result_type": "Produced Video", "release_date": "2013-04-16T00:00:00-04:00", "title": "GPM Instrument Animations", "description": "This conceptual animation shows the GPM Microwave Imager (GMI) and the Dual-frequency Precipitation Radar (DPR) scanning through a cloud detecting various precipitation particles. || ", "hits": 28 }, { "id": 11221, "url": "https://svs.gsfc.nasa.gov/11221/", "result_type": "Produced Video", "release_date": "2013-04-12T00:00:00-04:00", "title": "GPM: Our Wet Wide World", "description": "The Global Precipitation Measurement (GPM) is an international satellite mission to provide next-generation observations of rain and snow worldwide every three hours. NASA and the Japan Aerospace Exploration Agency (JAXA) will launch a \"Core\" satellite carrying advanced instruments that will set a new standard for precipitation measurements from space. The data they provide will be used to unify precipitation measurements made by an international network of partner satellites to quantify when, where, and how much it rains or snows around the world.The GPM mission will help advance our understanding of Earth's water and energy cycles, improve the forecasting of extreme events that cause natural disasters, and extend current capabilities of using satellite precipitation information to directly benefit society. || ", "hits": 28 }, { "id": 11219, "url": "https://svs.gsfc.nasa.gov/11219/", "result_type": "Produced Video", "release_date": "2013-04-07T00:00:00-04:00", "title": "GPM: For Good Measure", "description": "The need for measuring the when and where and how much of precipitation goes beyond our weekend plans. We also need to know precipitaiton on a global scale. Rain gauges and radars are useful but are inconsistent and do not cover enough of the globe to provide accurate precipitation rates. The GPM constellation will cover the globe and give us a more comprehensive look at precipitation. || ", "hits": 32 }, { "id": 4007, "url": "https://svs.gsfc.nasa.gov/4007/", "result_type": "Visualization", "release_date": "2012-12-12T00:00:00-05:00", "title": "Ground-Penetrating Radar Measurements of Antarctic Ice Sheet", "description": "This visualization presents data collected by the 2010 Satellite Era Accumulation Traverse (SEAT). Accumulation, the amount of snow that falls on an ice sheet, is one of the most important inputs for determining the mass balance of an ice sheet. There are, however, relatively few direct accumulation measurements because the most precise measurements come from ice cores at a single point location.Recently, new large-bandwidth, very-high frequency radars have been developed and used over the ice sheets to image internal layers in the near surface which represent about the past 30-40 years of accumulation. The SEAT traverses are making the link between near surface radar layers and ice cores by collecting both simultaneously across the West Antarctic Ice Sheet Divide region. || ", "hits": 91 }, { "id": 4016, "url": "https://svs.gsfc.nasa.gov/4016/", "result_type": "Visualization", "release_date": "2012-12-03T00:00:00-05:00", "title": "Global Precipitiation Measurement Core Satellite Instruments", "description": "The Global Precipitation Measurement (GPM) mission is co-led by NASA and the Japan Aerospace Exploration Agency (JAXA). NASA and JAXA will provide a GPM Core satellite to serve as a reference for precipitation measurements made by a constellation of satellites. The GPM Core satellite carries two instruments: a state-of-the-art radiometer called the GPM Microwave Imager (GMI) and the first space-borne Dual-frequency Precipitation Radar (DPR), which sees the 3D structure of falling rain and snow. The DPR and GMI work in concert to provide a unique database that will be used to improve the accuracy and consistency of measurements from all partner satellites, which will then be combined into the uniform global precipitation dataset. This animation shows the scanning capabilities of the GMI and DPR onboard the GPM Core satellite. Heavy rainfall is shown in red and light rainfall in blue. The DPR shows 3D precipitation in a midlatitude storm from two overlapping swaths. The Ka-band frequency scans across a region of 78 miles (125 kilometers) and is nested within the wider scan of the Ku-band frequency of 147 miles (245 kilometers). JAXA and Japan's National Institute of Information and Communications Technology (NICT) built the DPR. The GMI, shown as the flat precipitation values, constantly scans a region 550 miles (885 kilometers) across. The Ball Aerospace and Technology Corporation built the GMI under contract with NASA Goddard Space Flight Center. The GPM Core observatory is currently being built and tested at NASA's Goddard Space Flight Center in Greenbelt, Md. It is scheduled to launch from Tanegashima space center in Japan in early 2014. || ", "hits": 41 }, { "id": 11091, "url": "https://svs.gsfc.nasa.gov/11091/", "result_type": "Produced Video", "release_date": "2012-08-27T13:00:00-04:00", "title": "GPM Applications", "description": "Water is fundamental to life on Earth. Knowing where and how much rain and snow falls globally is vital to understanding how weather and climate impact both our environment and Earth's water and energy cycles, including effects on agriculture, fresh water availability, and responses to natural disasters. Since rainfall and snowfall vary greatly from place to place and over time, satellites can provide more uniform observations of rain and snow around the globe than ground instruments, especially in areas where surface measurements are difficult. GPM's next-generation global precipitation data will lead to scientific advances and societal benefits in the following areas: Improved knowledge of the Earth's water cycle and its link to climate change New insights into precipitation microphysics, storm structures and large-scale atmospheric processes Better understanding of climate sensitivity and feedback processes Extended capabilities in monitoring and predicting hurricanes and other extreme weather events Improved forecasting capabilities for natural hazards, including floods, droughts and landslides. Enhanced numerical prediction skills for weather and climate Better agricultural crop forecasting and monitoring of freshwater resources.For more information and resources please visit the Precipitation Measurement Missions web site. || ", "hits": 37 }, { "id": 11067, "url": "https://svs.gsfc.nasa.gov/11067/", "result_type": "Produced Video", "release_date": "2012-07-03T00:00:00-04:00", "title": "GPM: What We Don't Know About Snow", "description": "GPM Deputy Project Scientist Gail Skofronick-Jackson discusses GPM's snowfall measurement capabilities and the challenges of measuring snow. || ", "hits": 13 }, { "id": 10999, "url": "https://svs.gsfc.nasa.gov/10999/", "result_type": "Produced Video", "release_date": "2012-06-14T00:00:00-04:00", "title": "GPM Core Spacecraft Integration and Testing", "description": "A selection of footage of the GPM Core Observatory building, testing, and integration. || ", "hits": 20 }, { "id": 10940, "url": "https://svs.gsfc.nasa.gov/10940/", "result_type": "Produced Video", "release_date": "2012-03-19T00:00:00-04:00", "title": "JAXA's Dual-Frequency Precipitation Radar Arrives at Goddard", "description": "The Dual-frequency Precipitation Radar (DPR) built by the Japan Aerospace Exploration Agency (JAXA) for the Global Precipitation Measurement (GPM) mission's Core Observatory arrived on Friday, March 16 and was unloaded today at NASA's Goddard Space Flight Center, Greenbelt, Md. Comprised of two radars, the DPR is one of two instruments that will fly on the Core Observatory scheduled for launch in February 2014. The GPM mission will provide a new generation of satellite observations of rain and snow worldwide every three hours for scientific research and societal benefits. NASA's mission partner JAXA developed the DPR in cooperation with Japan's National Institute of Information and Communications Technology. The instrument will provide 3-D measurements of the shapes and sizes of raindrops and snowflakes and other physical characteristics that will allow scientists to better understand the physical properties of storms. || ", "hits": 35 } ] }