When a series of images acquired with the German radar satellite TerraSAR-X – operated by the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) – are combined into a sequence, the result is truly amazing; even gas storage tanks can have an eventful life of their own. The position of their covers reveals the amount of gas in the tanks; as it varies over time, TerraSAR-X gazes down at the bobbing of the gas tank covers in the Italian Porto Marghera. Read More
