astronomieinderstadt.de
Star Maps Of The Northern Hemisphere 50th Lattitude
Monthly Star Map April Online
Central European Summer Time
28th April Earth Hour For One Hour
Turn your lights out for one hour. Starting at 20:30.
Water Found Under The Surface Of Mare Tranquillitatis
Under the Surface of Mare Tranquillitatis a cave was found unter the Mare Tranquillitatis. The cave is 80 meters long, 43 meters broad and 135 meters deep.
You find other pictures of the Moon on my German page. Sternkarte des Monats
Astronomie in der Stadt
My Book "Astronomie der Jahrhunderte - eine Wissenschaft und ihre Philosophie" has not been translated into English. You find the book on my German site.