> now if that were true the sun would be lighting up the entire earth surface at all times nah > but to counter this they pretend that the sun works like a spotlight  nope.  > even though it's a sphere sending light in every direction and given our distance from the sun, sunlight would be so close to parallel it'd be nearly impossible for us to even measure the difference, they'd be effectively parallel right?  and on that basis the entire 'stick and shadow' experiment relies on this as a given right?
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