http://www.ntcompatible.com/index.php Last 20 items on NT Compatible Esselbach Storyteller CMS System http://www.ntcompatible.com/Celestia_c13849.html This product has been tested on the following operating systems: Windows Vista and has a average rating of 5<br /><br />The last rating (5) has been submitted on 2008-10-27 11:08:59 by Anonymous running Windows Vista:<br />Celestia is an application for real-time 3D visualization of space, with a detailed model of the solar system, over 100000 stars, more than 10000 galaxies.