Les satellites
{"Image DocumentName": "Les satellites", "Image ImageDescription": "Le syst\u00e8me GPS (Global Positioning System) n\u00e9cessite un grand nombre de satellites \u00e9voluant \u00e0 basse altitude autour de la Terre (400 km).", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}