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Our Solar System
Planets
Looking up at the cloudless night sky is something special. It is a spectacle that we are offered free of charge every clear night. Whether it is the Moon, or the bright planets, or the even more distant stars, or the Milky Way, which crosses the sky like a ribbon – all of them have always interested and fascinated people. In former times, people believed that everything that we see on the sky revolves around the Earth, that we actually live in the centre of the universe. Today we know that our Earth is only one of several planets that revolve around the Sun, and that even the solar system with all its planets is located at the very edge of our galaxy – the large stellar system called Milky Way. And even this giant galaxy is only one among many other galaxies in the universe. So we fly through space on our globe Earth like on a grain of dust – but actually, how have we got there in the first place?
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Curriculum-centred and oriented towards educational standards
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Blogging
The weblog or blog, for short, as a medium is not much older than this century. Blogs came into being in the World Wide Web as ’messages from below’, as web pages from web creators who wanted to share their view of the world with the world. They are short notes, long texts, pictures, videos, which are posted loosely and at random intervals to the world for an undefined public.
Product Piracy
Counterfeiting takes place in almost all economic sectors – textiles, watches, car parts, machine parts, tools, accessories, software and medicines. Some counterfeits are easy to recognise, others are so well-executed that even experts have difficulty distinguishing between original and imitation. This DVD covers the development of a product from idea to manufacture. Once a product has become a trademark, product pirates appear on the scene.
Air Traffic
Being able to fly has been a dream of humanity from time immemorial. But it does not even date back a century that people actually started being able to travel through the air. Since the 1960s, the number of flight passengers has been constantly increasing. Thus, the airspace is no longer dominated by birds but by man-made flying objects.