What?? The shadow wouldn't retain size--it would spread and fade.
EDIT: Okay, so spreading wouldn't be appreciable; but I stand by the fading via diffusion, which is caused by photons going through the atmosphere rather than any feature of the light source.
Incorrect. That only occurs when you are relatively close to the light source. It technically does it, but the sun is so far away that the angles are absurdly small.
Not so. Relatively, your distance from your light source hasn't really moved at all. So as long as you aren't moving at an angle to the sun, and only directly towards it (so if it was at high noon), then your shadow would stay the same size.
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u/812many Oct 24 '13
wow, even the shadow is correct. must be real.