... eye. It was also found out that the building door and the main door were at an angle of 20°. Astonishingly, this is the exact angle that the same two stars of the constellation had on each other. Until the 11th century the truth about the stars was unknown and there were just a few theories of Ancient Greeks. In the 11th century an Arab astronomer presented the hypothesis of the stars being a lot bigger mass than they appear to the naked eye. This theory was a great new discovery for the astronomers from all over the world and it opened a new era for the astronomers of the future. We are part of a system. Our planet is in the Solar System which is in a galaxy accompanied by other billions of stars in it. There are trillions of other galaxies in the universe. The closest of ...

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