worldwind.arc.nasa.gov
World Wind lets you zoom from satellite altitude into any place on Earth. Leveraging Landsat satellite imagery and Shuttle Radar Topography Mission data, World Wind lets you experience Earth terrain in visually rich 3D, just as if you were really there. Look across the Andes, into the Grand Canyon, over the Alps, or along the African Sahara.
mission: To inspire the next generation of explorers ... NASA Learning Technologies NASA Learning Technologies is a NASA R&D effort for the engineering of teaching tools that deliver NASA content in the most engaging and dynamic manner possible. NASA LT builds the pipeline and the delivery point for unencumbered access to the best data NASA has to provide. NET technology for rapid development and to easily access open standards such as XML, WMS, and other graphics standards. Real-time 3D graphics are driven by DirectX allowing a wide base of compatibility with accelerated video hardware. Primary data sources come from NASA, and TerraServer-USA of Microsoft Research.
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