NASA World Wind is available as a full install, or as an update to a previous release. You may use it under the terms of the NASA Open Source Agreement.
Many issues related to download and installation have been addressed in the community FAQ.
World Wind benefits most from a video card with 3D acceleration. If you don't know whether your machine comes with one, it is likely to have one built in if the computer was purchased within the past two years. Here is a list of video cards that have been reported to work with World Wind.
World Wind comes with data you can zoom into. After a certain point, World Wind will begin to download more images automatically. The servers hosting this information are very busy and may be unresponsive until we get the necessary infrastructure.
NASA World Wind leverages Microsoft .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.
Katrina Data Add-On
This project is a work in progress that features aerial photography taken by the NOAA, processed by telascience.org It includes New Orleans, southern Mississippi with before and after views.