ABOUT IWTC
The first International WorldWide Telescope Tour Contest is a joint effort of the International Virtual Observatory Alliance (IVOA), the International Astronomical Union’s Office of Astronomy for Development (IAU-OAD), the American Astronomical Society (AAS), and the Chinese Astronomical Society (CAS).
ABOUT WWT
WorldWide Telescope (WWT) is an astronomical data visualization platform: a suite of free and open source software and data sets that combine to create stunning scientific visualizations and stories. The WWT ecosystem includes two Windows applications — compatible, localized versions published by the American Astronomical Society (AAS) and the Chinese Virtual Observatory (China-VO).