{"version":"1.0","type":"link","title":"Explorer 61 - Newikis","description":"Magsat (Magnetic field Satellite, Applications Explorer Mission-C or AEM-C or Explorer 61) was a NASA / USGS (United States Geological Survey) spacecraft, launched on 30 October 1979. The mission was to map the Earth's magnetic field, the satellite had two magnetometers. The scalar (Cesium vapor)…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://upload.wikimedia.org/wikipedia/commons/a/a3/Explorer_61_MAGSAT.jpg","thumbnail_width":300,"thumbnail_height":170}