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Date: 2014-06-13 03:26:20Spacecraft NEOShield German Aerospace Center Hypervelocity Asteroid Near-Earth object Don Quijote Wide-field Infrared Survey Explorer Asteroid-impact avoidance Spaceflight Space technology Planetary defense | DLR-Präsentation im 4:3 Format (Englisch)Add to Reading ListSource URL: www.cosmos.esa.intDownload Document from Source WebsiteFile Size: 3,37 MBShare Document on Facebook |