astronomieinderstadt.de
Star Maps Of The Northern Hemisphere 50th Lattitude
The Monthly Star Map Online
The Monthly Star Map February Online
The Monthly Star Map in February 8 o'clock p.m. CEST
My Book "Astronomie der Jahrhunderte - eine Wissenschaft und ihre Philosophie" has not been translated into English. You find the book on my German site.
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.