Critical Reasoning (CR) | Re: In Peru, ancient disturbances in the dark surface material of a desert

Sheesh. A V51 kind of Question?

Great for practice.
The Key lies in the Question Stem.
As an Astronomer, what would you say about this is an Astronomical phenomenon?
Or what can you do to weaken the claim that the crossing of the lines over the bird figure is a coincidence?

Also the argument, by presenting the view of the investigator, and his/her reason for it, is meant to confuse you a little bit. However, the investigator's reasoning is flawed by making a claim and asking a few questions,
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