This online encyclopedia is a large sample of comprehensive data offering you a possibility to find any information about planetariums. You are given lots of information about space theaters, projection techniques, history, and new developments. Dates of general interest like international conferences and meetings are updated as soon as announced. Our objective is to point out the important role that planetaria play when bringing astronomical knowledge from the scientific frontiers to the public. On these pages you will find inspiration for new projects that may help you to attract visitors and guide them through the fascinating sites of our Universe. If you still miss anything, don't hesitate to contact us.

Have a lot of fun!