The Nebra sky disk

The Nebra sky disk is the world's oldest known concrete representation of astronomical phenomena and is more than 3600 years old. It shows a crescent moon, the full moon - sometimes interpreted as the sun - and a total of 32 stars. Author: ZDF/Terra X/SPIEGEL TV/Christopher Gerisch/Tilman Remme/Reiner Bauer, Oliver Gurr/Oliver Roetz, Philipp Klein/Hauke Ketelsen/Richard Sako Redub: alugha (Bernd Korz) Click here to see more videos:

LicenseCreative Commons Attribution-ShareAlike

More videos by this producer

Horses as weapons of war

In Mongolia, horses were already indispensable for warlords 800 years ago. Without them, the conquest and administration of this great empire would not have been possible. The history of war is therefore also a history of horses. Author: ZDF/Terra X/ E. Rauert; N. Bergenthal, Oliver Roetz, renderba

How is wind created?

When air is in motion, wind is created. Temperature differences are responsible for this. When air warms up, it rises and colder air flows in. This is the cool wind that we feel. There is almost always wind on the coasts. Author: ZDF/Pur+/Autorenkombinat/Tobias Schönke/Carina Schulz/Jochen Schmidt

Endangered lion populations

Lions play an important role in the ecological balance in their habitats. This was already the case two million years ago. In the meantime, many populations are threatened with extinction. The situation is particularly critical in West and Central Africa.