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Who wouldn’t be familiar with solar-powered calculators or windmills? Let’s have a look at the...
This animation presents the states and state capitals of Germany
This animation presents some interesting facts in the field of astronomy.
There is a spot in the open ocean that is 2,688 km away from the nearest land.
Possible traces of water and life are sought on Mars.
The largest satellite of Pluto is Charon.
During its orbit around the Earth, the visibility of its illuminated part constantly changes.
Dry land on the surface of Earth is divided into continents which are separated by oceans.