Since its launch on July 23, 1999, the Chandra X-Ray Observatory has been NASA's flagship mission for exciting and new X-ray astronomy projects. The project is overseen by the Harvard-Smithsonian Center for Astrophysics, and visitors can start by clicking on the "About" area to learn about Chandra's mission, and also learn about the man behind the Observatory's name, Nobel-Prize winning physicist Subrahmanyan Chandrasekhar. Visitors can click on "Where's Chandra" to learn about the latest position of Chandra in relation to the surface of the Earth. In the "Interactive Chandra" area, visitors can learn about all of the parts of the Chandra spacecraft and see how they work together to take various x-ray images. The site also features the "Chandra's Blog", which is a video weblog which brings together scientists and others talking about their work as it relates to Chandra. The site is rounded out by a search engine, and a photo album organized by calendar year.