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From World Wind Wiki World Wind is licensed under the NASA Open Source Agreement , with optional registration requested. If you are looking for the Java version of World Wind please see the NASA World Wind Java SDK page. Version 1.4.0 (February 14, 2007) Release Notes - What's new in 1.4
Welcome: Here you will find the World Wind SDK for Java. With this, developers can embed World Wind technology in their own applications. Many resources are available at goworldwind.org to help you understand and use World Wind. Current releases:
WorldWide Telescope (WWT) enables seamless panning and zooming across the night sky, blending terabytes of images, data, and stories from multiple sources over the Internet into a media-rich immersive experience. WorldWide Telescope is a collaborative effort between Microsoft Research and a variety of academic and governmental agencies. Microsoft Research is making WorldWide Telescope available as a free resource to the astronomy and education community with the hope that it will inspire and empower people to explore and understand the universe as never before. New Features
Welcome to Celestia ... The free space simulation that lets you explore our universe in three dimensions.