Horizon vision problem

Hello there. I'm new to this forum. As you can see, my name is Anti-S, standing for Anti-Science. It is only recently that I have heard of the Flat Earth Society, but was immediately interested and soon found this place. While perhaps the notion of the flat earth is not my only concern when it comes to countering science, it is one that interests me very much.
Despite my name here, I'm not strictly against science. Their ways of using logic and deduction to lead to correct knowledge are very useful, but it's the way in which these are used that aggravate me. During my school years, spent in a catholic school, I had to put up with being fed all science subjects as pure truth, not to be questioned. This, while our lessons in religion were constantly shrouded in a veil of doubt, even the teachers saying how nothing in the bible is to be taken literally. It is said of exact science that all knowledge must be defined in terms of other knowledge, and therefore some of it is to be taken as true without proof. This leads to the so-called axioms. Yet, when it comes to religion, it is regarded as unwise to accept some knowledge as true without it being proven.

But enough about that. I made this first post with a question in regard to the flat earth theory. When discussing with my geology teacher in the old days (often to the ridicule of my class mates), a recurring argument he brought up to "prove" the earth is round is that when we elevate ourselves above the ground level, so that you can look over the buildings and other landmarks, at a certain point the line of vision disappears. He claimed that this is because of the earth's surface's curve. To me, it doesn't prove that our earth is round, rather that it isn't completely flat (by which I mean there's mountain ranges and height variations). However, I never found the proper counter-arguments. Can any of you help me with this?
Some suggestions I came up with is that this is caused by a visual illusion, just like the moon appearing larger when close to the horizon is apparently an illusion; or that the subtle variations in height levels obscure the view to the point that nothing is visible after a certain distance. What do you think?

welcome buddy.

Are you saying, in your catholic school, your religion teachers/nuns told you that Science is 100% fact and you cant believ everything in the bible?

emmmmmmmmmmmm.............thats a little weird dontcha think?

as for your question....

I think the only way to proove, beyond a resonable doubt, what shape the Earth is,  is to go to space and judge it from there.

If you shrunk yourself down so as to be able to walk around on say, a football or marble, in relative propotion to the size you are on the Earth now, then yes, you would probebly think it was flat. Its only when you take an outside view that you realise its actually spherical

They didn't say it that way. But in science classes, we were always told everything as being solid fact, while in religious and theological matters, everyone could doubt things and take them as figuratively as they wanted.

i edited my comment  8-)

You answer starting from the assumption that the earth is spherical. That's exactly what all my teachers always did. But it does not really answer my question.

I start with that assumption because i dont know how else to think.

Trying to imagine the world is flat is like trying to tell myself Im a black female from Africa. Im a white guy from Ireland

That is a very bad analogy. One is obviously false from pure observation. But the roundness (or flatness) of the earth is not immediately observable. Unless I'm supposed to take those satelite pictures as unquestionable truth.

Anti S, are you religious?

I ask that because,
If you are Relgious, then your faith is based on the teachings of religious leaders, who in turn, base their faith on a book, be it the Quran or the Bible or what have you. If you are, than you are a hypocrite. You will belive in a story with no proof just because of blind faith but you refuse to belive solid evidence (pictures) of a spherical Earth.

Anti-S, the Horizon Line-of-sight issue has been brought up before, and the FE'ers put it down to 'optical illusions' or 'conspiracy-based lens in your telescope' without actually going into any detail. They haven't been able to find a good rebuttal to this, so as you can see, the true FE'ers are ignoring this experiment now.