Why do galaxies remain stable? Without so-called "dark matter", galaxies could not exist in the long term. This matter is completely mysterious. It only shows itself through its gravitational effect, and we do not know what it is made of. Will we succeed in solving this mystery? Take an exciting and impressive journey through the cosmos in search of the secret of dark matter.
Production of the Volkssternwarte Laupheim e.V. with live moderated supporting program.