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The results could tell scientists just how long Mars was warm, wet, and hospitable, refining our understanding of its early potential for life. || ", "release_date": "2013-07-18T11:00:00-04:00", "update_date": "2023-05-03T13:51:59.936843-04:00", "main_image": { "id": 463808, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011300/a011310/G2013-041_MAVEN_NGIMS_MASTER_youtube_hq02052_print.jpg", "filename": "G2013-041_MAVEN_NGIMS_MASTER_youtube_hq02052_print.jpg", "media_type": "Image", "alt_text": "MAVEN will use its Neutral Gas and Ion Mass Spectrometer to study the interaction of neutral gases and ions in the Martian atmosphere with the solar wind, helping scientists to understand how Mars has lost its atmosphere over time.Watch this video on the NASAexplorer YouTube channel.For complete transcript, click here.", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 11295, "url": "https://svs.gsfc.nasa.gov/11295/", "page_type": "Produced Video", "title": "MAVEN Imaging Ultraviolet Spectrograph", "description": "The philosophy of NASA's Mars Program has been \"Follow the water,\" but \"Where did the atmosphere go?\" is still a lingering question. Although fluvial features such as dry riverbeds are visible on Mars, the atmosphere today is too thin to support liquid water, implying that Mars once had a thicker atmosphere that was lost to space. NASA's Mars Atmosphere and Volatile EvolutioN Mission, or MAVEN, will test this hypothesis. As part of its remote sensing instrument package, MAVEN's Imaging Ultraviolet Spectrograph (IUVS) will look at isotopic hydrogen ratios in the upper atmosphere of Mars, helping scientists to determine just how much water once flowed across the Red Planet. || ", "release_date": "2013-06-13T11:00:00-04:00", "update_date": "2023-05-03T13:52:04.787227-04:00", "main_image": { "id": 464471, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011295/G2013-028_MAVEN_IUVS_MASTER01727_print.jpg", "filename": "G2013-028_MAVEN_IUVS_MASTER01727_print.jpg", "media_type": "Image", "alt_text": "MAVEN will use its Imaging Ultraviolet Spectrograph (IUVS) to study the upper atmosphere of Mars in unprecedented detail, helping scientists to determine what happened to the planet's ancient atmosphere - and its liquid water.Watch this video on the NASAexplorer YouTube channel.For complete transcript, click here.", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 11224, "url": "https://svs.gsfc.nasa.gov/11224/", "page_type": "Produced Video", "title": "MAVEN Magnetometer", "description": "When you navigate with a compass you can orient yourself thanks to Earth's global magnetic field. But on Mars, if you were to walk around with a compass it would haphazardly point from one anomaly to another, because the Red Planet does not possess a global magnetosphere. Scientists think that this lack of a protective magnetic field may have allowed the solar wind to strip away the Martian atmosphere over billions of years, and now NASA's MAVEN spacecraft will study this process in detail with its pair of ring core fluxgate magnetometers. || ", "release_date": "2013-03-26T13:00:00-04:00", "update_date": "2023-05-03T13:52:17.413533-04:00", "main_image": { "id": 467344, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011224/G2012-127_MAVEN_Mag_MASTER_youtube_hq01011_print.jpg", "filename": "G2012-127_MAVEN_Mag_MASTER_youtube_hq01011_print.jpg", "media_type": "Image", "alt_text": "MAVEN's dual magnetometers will allow scientists to study the interaction between the solar wind and the Martian atmosphere, giving us a better understanding of how Mars has evolved from a warm, wet climate to the cold, arid one we see today.Watch this video on the NASAexplorer YouTube channel.For complete transcript, click here.", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 11053, "url": "https://svs.gsfc.nasa.gov/11053/", "page_type": "B-Roll", "title": "MAVEN Broadcast-Quality Spacecraft and Instrument Footage", "description": "This page contains broadcast-quality footage of the MAVEN spacecraft and science instruments. The MAVEN bus was built at Lockheed Martin Space Systems in Littleton, Colorado. MAVEN's science instruments were built at the Space Sciences Laboratory (SSL) at the University of California, Berkeley; at the Laboratory for Atmospheric and Space Physics (LASP) at the University of Colorado, Boulder; and at NASA's Goddard Space Flight Center in Greenbelt, Maryland. Launch operations were conducted at the Kennedy Space Center on Cape Canaveral, Florida. MAVEN was launched on November 18, 2013 and arrived at Mars on September 21, 2014 EDT. || ", "release_date": "2012-07-30T00:00:00-04:00", "update_date": "2023-05-03T13:52:53.138853-04:00", "main_image": { "id": 473960, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011000/a011053/MAG_Assembly_Broll_ipod_lg.00627_print.jpg", "filename": "MAG_Assembly_Broll_ipod_lg.00627_print.jpg", "media_type": "Image", "alt_text": "Footage of MAVEN's twin magnetometers being assembled at NASA's Goddard Space Flight Center in Greenbelt, Maryland.", "width": 1024, "height": 576, "pixels": 589824 } } ], "sources": [], "products": [], "newer_versions": [], "older_versions": [], "alternate_versions": [] }