{ "count": 9, "next": null, "previous": null, "results": [ { "id": 5627, "url": "https://svs.gsfc.nasa.gov/5627/", "result_type": "Visualization", "release_date": "2026-03-19T10:00:00-04:00", "title": "Global Navigation Satellite System (GNSS) Fleet", "description": "A view of the Global Navigation Satellite System (GNSS) satellite fleet, color-coded by country.", "hits": 792 }, { "id": 14956, "url": "https://svs.gsfc.nasa.gov/14956/", "result_type": "Produced Video", "release_date": "2026-01-26T16:00:00-05:00", "title": "Space Weather Effects Animations", "description": "Solar flares, coronal mass ejections, solar particle events, and the solar wind form the recipe for space weather that affects life on Earth and astronauts in space. A farmer stops their planting operations due to poor GPS signal for their autonomous tractor. A power grid manager changes the configuration of their network to ensure a blackout doesn’t occur due to voltage instability. A pilot switches to back-up communication equipment due to loss of high-frequency radio. A commercial internet company providing service to the military must change the orbit of their spacecraft to avoid a collision due to increased atmospheric drag.These are a few examples of the ways the Sun influences our everyday lives. This is what we define as space weather – the conditions of the space environment driven by the Sun and it’s impacts on objects in the solar system. Learn more about space weather: https://science.nasa.gov/space-weather-2/ || ", "hits": 563 }, { "id": 14196, "url": "https://svs.gsfc.nasa.gov/14196/", "result_type": "Produced Video", "release_date": "2022-08-09T00:00:00-04:00", "title": "Earth Science Director Dr. Karen St. Germain presents to the 12th Session of the UN-Global Geospatial Information Management Committee of Experts", "description": "Complete transcript available. || KSG_UN_geodesy_trimmed.00_00_00_00.Still001.png (1920x1080) [2.1 MB] || KSG_UN_geodesy_trimmed.00_00_00_00.Still001_print.jpg (1024x576) [160.3 KB] || KSG_UN_geodesy_trimmed.00_00_00_00.Still001_searchweb.png (320x180) [87.1 KB] || KSG_UN_geodesy_trimmed.00_00_00_00.Still001_thm.png (80x40) [6.8 KB] || KSG_UN_geodesy_trimmed.mp4 (1920x1080) [401.7 MB] || KSG_UN_geodesy_trimmed.webm (1920x1080) [158.8 MB] || KSG_UN_geodesy_trimmed.en_US.srt [18.2 KB] || KSG_UN_geodesy_trimmed.en_US.vtt [18.2 KB] || ", "hits": 28 }, { "id": 4986, "url": "https://svs.gsfc.nasa.gov/4986/", "result_type": "Visualization", "release_date": "2022-03-29T11:00:00-04:00", "title": "Space Geodesy Project", "description": "NASA's Space Geodesy Project (SGP) uses a variety of space- and land-based techniques to determine the precise shape, position, and orientation of the Earth with respect to the Terrestrial Reference Frame (TRF) and Earth orientation parameters (EOP). This visualization presents a summary of these techniques.The visualization begins with a shot of natural-looking Earth, then transitions to a view that shows the orbital components of the SGP, which include global navigation satellite systems (GNSS), satellite laser ranging (SLR) and Doppler Orbitography by Radiopositioning Integrated on Satellite (DORIS). The view then moves to the surface of the Earth, showing the positions and direction of the motion of ground stations as measured by these techniques, as well by ground-based very long baseline interferometry (VLBI), which uses the radio emissions of distant quasars to determine geodetic measurements.We then zoom into the center of the Earth to show the consequence of these surface motions: the movement of the geocenter, which these techniques can determine to within millimeters. || ", "hits": 89 }, { "id": 14121, "url": "https://svs.gsfc.nasa.gov/14121/", "result_type": "Produced Video", "release_date": "2022-03-29T11:00:00-04:00", "title": "The Geocenter of the Earth Is Changing (And Why That Matters)", "description": "Stock Footage: Pond5Universal Production Music: Kinda Frantic by Steve Rucker [ASCAP]This video can be freely shared and downloaded. While the video in its entirety can be shared without permission, some individual imagery provided by pond5.com is obtained through permission and may not be excised or remixed in other products. For more information on NASA’s media guidelines, visit https://www.nasa.gov/multimedia/guidelines/index.htmlComplete transcript available. || 14121_Geodesy.jpg (1920x1080) [538.3 KB] || 14121_Geodesy_searchweb.png (320x180) [94.1 KB] || 14121_Geodesy_thm.png (80x40) [5.9 KB] || 14121_Geocenter.mp4 (1920x1080) [252.5 MB] || 14121_Geocenter_TWITTER.mp4 (1280x720) [65.3 MB] || 14121_Geocenter_TWITTER.webm (1280x720) [26.6 MB] || 14121_Geocenter.webm (1920x1080) [26.9 MB] || 14121_Geocenter_en.us.en_US.srt [5.3 KB] || 14121_Geocenter_en.us.en_US.vtt [5.1 KB] || ", "hits": 68 }, { "id": 13436, "url": "https://svs.gsfc.nasa.gov/13436/", "result_type": "Produced Video", "release_date": "2019-12-09T14:00:00-05:00", "title": "Operation IceBridge - ATM Arctic Ground Stations", "description": "The Airborne Topographic Mapper (ATM) is a scanning LIDAR developed and used by NASA for observing the Earth’s topography for several scientific applications, foremost of which is the measurement of changing Arctic and Antarctic icecaps and glaciers. It typically flies on aircraft at an altitude between 400 and 800 meters above ground level, and measures topography to an accuracy of better than 10 centimeters by incorporating measurements from GPS (global positioning system) receivers and inertial navigation system (INS) attitude sensors.The GPS ground station is an integral part of ATM operations. Having ground station data allows us to do differential GPS post processing and more accurately calculate the position of the aircraft.The ground station consists of 3 GPS receivers, an iridium notch filter, 4 port passive splitter and a netbook computer to download the data. The system has the ability to track both GPS and GLONASS constellations and is battery backed up for 24 hours of operation without power input. One of the GPS units operates at a low recording rate (logging once every 30 seconds) continually during a campaign. This data is used to calculate a resolved position for the GPS antenna. The other units record at 10hz during aircraft operations. || ", "hits": 26 }, { "id": 13148, "url": "https://svs.gsfc.nasa.gov/13148/", "result_type": "Produced Video", "release_date": "2019-02-12T08:00:00-05:00", "title": "5 Things About Earth’s Radiation Donuts", "description": "5 Things About Earth’s Radiation Donuts || HalloweenBeltProfile.slate_GSE.HRstills.0000_print.jpg (1024x576) [124.2 KB] || HalloweenBeltProfile.slate_GSE.HRstills.0000.jpg (2560x1440) [721.8 KB] || HalloweenBeltProfile.slate_GSE.HRstills.0000_searchweb.png (320x180) [88.2 KB] || HalloweenBeltProfile.slate_GSE.HRstills.0000_thm.png (80x40) [6.1 KB] || RADIATIONDONUTSSVSV2.mp4 (1280x720) [114.9 MB] || RADIATIONDONUTSSVSV2.webm (1280x720) [12.2 MB] || VanAllenShowCaptions.en_US.srt [2.2 KB] || VanAllenShowCaptions.en_US.vtt [2.2 KB] || ", "hits": 120 }, { "id": 11031, "url": "https://svs.gsfc.nasa.gov/11031/", "result_type": "Produced Video", "release_date": "2012-07-05T07:00:00-04:00", "title": "Space Geodesy Profiles", "description": "Scientists from NASA's Space Geodesy Project discuss the techniques they use to precisely measure the Earth's position in the universe, determine the Earth's center of mass, calibrate satellites, observe sea level rise, and track the movements of the tectonic plates. || ", "hits": 43 }, { "id": 10553, "url": "https://svs.gsfc.nasa.gov/10553/", "result_type": "Produced Video", "release_date": "2010-05-24T08:45:00-04:00", "title": "Saved By A Weather Satellite", "description": "The Geostationary Operational Environmental Satellites (GOES) have the ability to constantly oversee a large area of the Earth and send real time data to users. GOES sends not only weather data but it also watches the sun continuously and at the same time provides critical data that helps rescue personal locate victims in distress. || ", "hits": 29 } ] }