#4109
Microsoft WorldWide Telescope (WWT for short, now called AAS WorldWide Telescope) is a free and open-source virtual, visualized digital planetarium project (including application, data and cloud services) for both web browser (based on HTML5 and WebGL) and Windows desktop. It was originally created by Microsoft Research in 2002, and is now managed by the American Astronomical Society, and supported by grants from the Gordon and Betty Moore Foundation and National Science Foundation.