The Carnac Stones of France

Carnac Stones
The Stones of Carnac are an enormous collection of gigantic rocks that have been set in place in specific and deliberate configurations. Some of the configurations resemble lines and rows while others are fan like shapes.
The Carnac configurations themselves, when taken as a whole resemble a series of triangles that make up a complex mathematical formula known as the Pythagorean Theorem.
Another interesting issue around the configuration of the stones is the complex calculations needed and the timeline of the placement.
The timeline for the age of the Carnac Stones put them at about 3300 BC which place creation of the stones during the time of Stone Age Man. Since Pythagoras did not discover the Pythagorean Theory until 530 BC it is improbable that Stone Age Man possessed the capability necessary to determine the calculation and create the shapes necessary to complete the complexity of the Pythagorean Theorem. Based on the size of the stones and the limited tools available to Stone Age man, it is also unlikely that they were able to erect the stones
Researchers have not determined the exact function of the Carnac Stones. The stones could be signs or even burial chambers for some ancient race. The Carnac Stones have structures within the configuration that could have been ancient tombs or burial chambers. These chambers are known as dolmens and were created with upright stones and contain both the burial chamber and access to the chamber.
The Carnac Stones might even have been used to guide alien spacecraft as they are one of three structures which can be seen from space. There is research also being done on possible astronomical components of the structures. The Carnac Stones are located at the latitude at which the solstice sun in winter and summer forms a Pythagorean triangle not unlike other complex sites such as Boyne Valley and Silbury Hill which show orientations to the solstices as well.
Is this site evidence that ancient aliens came to our planet and gave our ancient ancestors some knowledge and wisdom of technology or guidance from other worlds?
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you say the Carnac stones can be seen from space? please back up your statement with some link to picture with the stones taken from space.
thank you