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Nazca Condor image
Archeologists, ethnologists, and anthropologists have studied the ancient Nazca culture to try to determine the purpose of the lines and figures. One hypothesis is that the Nazca people created them to be seen by their gods in the sky
Phyllis Pitluga, senior astronomer at the Adler Planetarium & Astronomy Museum and a protégé of Reiche, did computer-aided studies of star alignments. She asserted that the giant spider figure is an human-designed diagram of the Orion star alignment. She further suggested that three of the straight lines leading to the figure were used to track the changing declinations of the three stars of Orion’s Belt.
Some individuals propose alternative hypotheses. The Swiss author Erich von Däniken suggests the Nazca lines and other complex constructions represent higher technological knowledge than commonly believed to be existing when the glyphs were created. Von Däniken maintains that the Nazca lines in Peru are runways of an ancient airfield that was used by extraterrestrials mistaken by the natives to be their gods