ICON and GOLD Orbits Animation (IMAGE) NASA/Goddard Space Flight Center Caption NASA's Ionospheric Connection Explorer, or ICON, and NASA's Global-scale Observations of the Limb and Disk, or GOLD, mission will take complementary observations of Earth's ionosphere and upper atmosphere. Credit NASA Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.