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##### Flat Earth Q&A / Re: The vanishing point

« Last post by**Tom Bishop**on

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**Today**at 04:14:41 AMWhy does the sun appear the same size all through sunset/sunrise, even though perspective states it should be getting smaller/bigger if it is moving away?

For this query see the wiki article on that topic.

Viewed through a welder's mask or dark UV filter, the sun still remains the same size.

The explanation is describing a projection upon the atmosphere. A welder's mask would make as much difference as wearing sunglasses in a movie theater to block out the movie.

I showed you how the math allows your railroad tracks to meet using human perception limits (perspective) just up above. The math doesn't allow them to meet (as they don't)

Your math is just that -- math. Where in reality is there an example of perspective lines never touching each other for infinity?

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You've also never shown anywhere that the model actually breaks down, only your repeated claims that it must because it 'doesn't represent reality'. But the reality you are referring to are conditions that you are claiming exist.

Your model must reflect things which occur in reality, not the mind of an ancient person who believed that perspective lines would approach each other for infinity. Where is the evidence that would happen?

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IF the Earth is flat, the math is indeed wrong (and you now need to show where the math is measurably wrong using things that do not depend upon a flat Earth). If the math is correct, the Earth cannot be flat.

No. You need to show that the math is based on SOMETHING in reality. You must demonstrate reason for us to believe that the nature of perspective lines act in the ways you describe.

"Prove me wrong" is a terrible debating strategy. You are claiming that perspective lines will approach each other for infinity, and that is your claim to demonstrate in some way.

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So you REQUIRE basic geometry to fall apart at some indeterminate distance.

That geometry for perspective lines and long distances has never been demonstrated to be based on anything in reality. It is your duty to provide evidence for it.

If no evidence can be provided, why should we assume it to be true?