Plate tectonics is the central theory of modern geology, which says that the continents float on a sea of magma. Today everyone accepts it, but until the middle of the 20th century anyone who said that was branded crazy.
This spacecraft will test a unique elliptical lunar orbit, 1,600 km from one lunar pole on its close pass and 70,000 km from the other every seven days.
The fossils have been found in the ruins of a workshop located in the ancient Roman city of Pompeii. The tortoise died before Mount Vesuvius erupted in 79 AD
Saturn's moons Tethys and Dione have two pairs of minor moons accompanying them wherever they go, perfectly sharing their orbit, but how did they get there?
Danni Büchner is invited to Sam Dylan's Halloween party. But the "Goodbye Germany" emigrant has no desire for many other party guests. And find clear words.
