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My head hurts. I think (I think!) that since we are gravitationally attached to the sun, the position of the sun relative to earth remains the same but it appears to change because of earths rotation (I'm sure there will be some uber-astrophysical reason for some other minor variations). However, I think that the 8 minute lag merely reminds us of what the sun looked like 8 minutes ago rather than where the sun was 8 minutes ago. Does that make sense??
Ian
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