Rate the following argument fragment on its writing, argument, and language skills:
Evidence: Also, when it spotted the shadowy likeness of a human face, an enormous head nearly two miles from end to end seemed to be staring back at the cameras from a region of the Red Planet called Cydonia. There must have been a degree of surprise among mission controllers back at the Jet Propulsion Lab when the face appeared on the monitors. But now scientists figured it was just another Martian mesa common enough around Cydonia only this one had unusual shadows that made it look like an Egyptian Pharaoh.

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