WorldWide Telescope (WWT) is a powerful visualization program that lets the public view images from the world's best telescopes in their appropriate context - for example, in a night-sky view that spans the electromagnetic spectrum; or in a 3D of our solar system, Milky Way, and cosmos. For three years, the WorldWide Telescope Ambassadors (WWTA) Program has been using WWT in educational settings, including K-12 and college classrooms. Recent NSF-funding has allowed us to develop WWT-based labs that promote understanding of the Moonâ??s phases and parallax. In this...