At 05:36 PM 12/14/2012, John Berry wrote:
I have read this before.
Surely the answer could be established (if not by any other means) by studying the rate of acceleration and deceleration of rising and falling objects in video on the moon. Besides the bunny hoping astronautics there are various other things, the trajectory of the sand kicked up by the lunar buggy if it can be seen clearly enough.

So it should be easy albeit it does require someone with some mathematical skill which I don't have.

The problem is that the Great Fake Moon Landing Conspiracy would surely have slowed those videos down appropriately. To truly resolve this, aside from making a knee-jerk assumption as to who is wearing a tin-foil hat, I suggest looking at pre-NASA estimations of the Moon's mass. There is a plot of these at page 66 of the review that I cited.

http://articles.adsabs.harvard.edu//full/2002Obs...122...61H/0000061.000.html

Essentially, the Earth/Moon mass ratio had settled, through the use of increasingly accurate techniques, at about 81 by 1880. (And before that, there were mixed results, between about 80 and almost 90. Not much less. Because we also know the size of the Moon, we can then calculate the gravity ratio.

Notice: the "neutral point" is a *calculation* that falls out from the distance between the Earth and Moon and the mass ratio. That neutral point is not an observation. If anyone spoke about a neutral point, they were using calculations, either made themselves or by someone else. Trying to estimate the Moon's mass, and thus the gravity, from where the neutral point is located is backwards.

Yes, the videos should enable an extimate of gravity at the Moon's surface. All we need to know is the apogee height, and how long it took. If light objects accelerate as rapidy as heavy ones (like dust vs spacesuited men), that indicates a vacuum.

But a skillful fake video is certainly not beyond the capacity of a well-funded organization. Hence the reliance I'm suggesting on prior sources.

Of course, the paper cited above is hosted on the SAO/NASA Astrophysics Data System (ADS). So one who believes in the conspiracy could then assert that this is all nonsense.

Except it can be checked. The paper is thoroughly referenced to old sources. Someone who believes in the conspiracy now has a splendid opportunity to prove it. Just look up those sources. If they are all missing, OMG!

One of the problems with a paranoid theory is that one can take each piece of evidence and demonstrate that it is entirely bogus, that the real evidence, relating to the issue raised, points in the other direction. But the theorist has developed ten reasons for believing the theory, and if you shoot one down, why, they remain confident. After all, there are nine other reasons. And if you go through this with another "reason," they same thing happens, only there is a peculiar phenomenon. They don't remember what they don't understand, that's actually normal. So at this pint they once again have the comfort of nine other reasons. Not eight. The number does not decline.

I once went through this process with the fellow who "discovered" the so-called "miracle of the nineteen in the Qur'an. He had an idiosyncratic belief that the direction of Mecca was southerly from Tucson. (He made a big deal out of it, for him, that nearly everyone else was praying in a northerly direction was a proof of how astray they were.) He had ten arguments. I went through them all, and each time -- the guy actually was not stupid -- he granted that his argument was defective. When we came to the end, he trotted out one more argument: God had told him.

This, actually, led to his assassination. Long story. Totally unnecessary, except he really did believe what he'd invented, and ... God had told him he was right. Tough to answer that argument, eh?

Years later, his followers were still using those defective arguments, and, of course they believed that God had told him. Personally, I wonder why God would use defective arguments, why God would need to argue at all. Of course, God did not give him the arguments, he made them up, and we don't actually know what God actually said to him (if anything). Maybe he misunderstood!


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