I replied to you in the other thread you started (why you started two I don't know). I guess you missed it.
I'm persisting because I
want to be proved wrong here. If you can completely disprove everything I say (sometimes somewhat confusing - at not always technically correct, but bah!) then I will seriously take onboard Flat Earth as a possible model.
The ice wall is also highly reflective, so most of the insolation it recieves will be reflected back into space. With no cloud cover there to stop it, it won't be able to heat the air enough to melt the ice wall.
There will still be a
LOT of incoming radiation due to Very thin atmosphere and no heliosphere (this is very important). -EDIT- I've also gone over how the Ice Wall cannot be 'highly reflective'.
It doesn't matter how much insolation is blocked by cloud cover, the sun's rays will never be at a large enough angle to provide the heat required to melt the ice wall.
Umm...not really. I mean, sure, cloud cover only plays a minor role, but there's still plenty of heat to go around. Remove the atmospheric conditions and the insolation will make a large effect.
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Since the Flat Earth theory extends out past the earth, we can therefore assume that much of the rest of the surrounding universe is flat as well.
What? Why?
Well, we have found the earth is round. Pretty much everything in our known universe that has existed for a moderate amount of time (say, oh I don't know - 2 billion years?) - and we've discovered that a lot of our universe is also, funnily enough, round.
Therefore we can assume that much of the surrounding universe in FE theory has flat "bodies" as well. I mean, be serious. The earth flat, but everything else spheroidal?
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This "thicker at the middle" disc is the only way I can conceive that a flat earth is possible.
Um, why?
Because it is spinning. Spinning will do this to objects with huge gravitational pulls, but not enough mass to sustain their current shape. A sphere is the equillibrium of the two (still) uneven forces.
You're going to need to explain this a little better. Why would Earth start rotating, and why would that cause it to form into a ball?
Seems pretty simple to me. The diagrams help a bit I guess. I should also mention I'm no good at the formulae, (or explaining it I guess), but I know the fundamental, and also a bit beyond that, mechanics.
However...
FET(heory) claims that a FE tilts. Even in just a way that it is not 'noticable'. The tilting is fine, and even predicted. But not being 'noticable' (at least by the forces of nature) is not. There is a force, and taking into consideration that that force is great enough to propell this FE along at great speeds, this force must indeed be, great. Very great.
Insanely great...ad infinitum...
The thing that gradually causes it to spin is the Upwards force and the slight tilting.
If there were no 'upwards' force, it would just spin in circles on an 'X' axis
(Here we go for another sweet diagram...)

You see, the forces that are pushing it up also want it to to be in the position that requires the least amount of energy to keep it moving. In a perfect world, this position would be completely flat (ie - ((end to end of FE) =( Y = 0))
Also, that gives a good idea.
-2nd EDIT(I'M TIRED OK!
)- I know I need to ellaborate more, but honestly, I'm just too tired at the moment.
However, even the slightest of tilts makes this imperfect. It will gradually (and hey, what better example to use the world 'gradual' when the universe has kept on truckin' for billions of years...) make:
Here i use, for simplicities sake, 'East' as "end A" and 'West' as "end B"
The tilts make the ends at different values for Y, right? Eg, a tiny, tiny earthquake makes end A (Y = 0.00000...1) and end B (Y = -0.000...1).
However, the forces pushing the FE upwards will exagurate this increment to a great extent. To return to a practical, in-da-house experiment - get yourself a spinning top, then spin it.
Imagine for a second here (FE'ers need a good imagination anyway) that the top isn't actually 'spinning' - just watch it.
You'll notice how the edges
gradually begin to wobble uncontrollably.
This is pretty much very similar to what would happen to a FE (Gravity pulling down = FE's force pushing up).
Why would Earth start rotating, and why would that cause it to form into a ball?
Well, I've explained why it will rotate, but the latter part of the statement was more of a lapse back into my universe. You see, when you debunk things, you have to debunk the theory in that theory's universe.
Don'tcha'know?