You haven't even told use which part you're disputing. Are you disputing the trigonometry, are you disputing the distance between observers, or are you disputing the angular differences in the apparent position of the Moon? Those are the three elements needed to calculate the distance to the Moon. In order for that distance to be incorrect, one or more of those things must be in dispute. It is impossible to address your dispute if you do not specify what you are disputing.
No dispute with plane trig.
The math checks out. I’m just saying, you will never measure this for yourself.
Other methods of measuring the distance to moon include laser ranging, which was done before the first (fake) Apollo missions. But can I verify this? No, because just like you can’t measure your observers angle to any accuracy, I can’t obtain a powerful laser like this. It is still an appeal to authority.
Do you apply this logic to everything? When you plan a road trip do you dispute the distance of the route until you drive it for yourself just to make sure?
No, I just assume that a thousand people have already driven that route and Google maps makes adjustments based on their times and topographical spy plane data it collects. But yeah, I am skeptical of scientific claims. When NASA comes out with a story about how it rains diamonds on some faraway planet in another galaxy, I dismiss it as unknowable.
In my experience, no one who talks about “it’s easy; you can measure x for yourself” on the internet has ever backed up their claims with proof that they themselves have made said measurement or performed said experiment.
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