Of the theories mentioned in the passage, I think the explanation that Nazca Lines were made by planes landing. People think aliens were the passengers of the plane, but I disagree. I think the instigation that aliens were passengers in the landers is a lie, since its principal proponent envisioned his ideas in a highly profitable best-selling book. I am convinced more of this explanation than the other one about the suns making the Nazca Lines. That theory must be impossible because the earth spins around while orbiting around the sun, which is still, because the earth is moving constantly the sun cannot make lines on the exact spot to make a design because the lines would not be in the same spot, or in a bunch. The sun also doesn't have
