I’m going to debunk each of the so-called “Top Ten Reasons Why We Know The Earth is Round.” It’s actually quite easy. Here’s to debunking number 7: Triangles – Seriously? LOL! I can’t even believe this one is in the list. Wow.
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Wow… So you don't understand basic trigonometry. Wowww…. What a surprise. But I'll still give it a shot trying to explain it to you.
The only geometrical shape on which you can create a triangle with three 90 degree corners is on a sphere. It has nothing to do with the size of the sphere. No matter how small or how big the sphere is, it is the ONLY shape on which you can create a triangle with 90 degree corners.
Does that make any sense to you, or are you simple too dense to get that? It's really super important that you get how this basic trigonometry works for you to understand why this is important. So if you don't understand that you cannot draw a triangle with three 90 degree corners on any geometrical shape, but a sphere, go back read it again, and again and again until you get it.
Next, take a class on navigation at your local community college, or if you're lazy, buy a sextant and a book on how to use it. Then, figure out how the sextant worked so well for the British navy in the 18 century and onwards, and is still used today in both the military and merchant fleet to navigate with.
Once you've done that, I'm confident you'll have at least a vague idea why the basic trigonometry is some important to understand….
Once again you didn't prove or debunk anything. All your doing is saying they didn't prove it.
I agree with this one actually. As a concept, it works but actually demonstating it in real life isnt really feasible due to scale. Crappy "proof" of spherical Earth. Us globe Earthers need to step up our game if anyone is calling this "proof".
I think you're missing the point of the "proof" on this one. On a ball with a circumference of 40 000km, walking straight for a quarter of the distance (10 000km) in any direction, then turning right 90 degrees and walk 10 000km more. Repeating the turn once more, walking another 10 000km and you would end up where you started. Laying behind you a track with three 90 degree corners. if you were to preform the same walk on a flat surface, you would end up 10 000km to the "left" from where you started.
Theoretically this would be a way to prove that the earth, in the test area, have a spherical shape. It could still be both convex and concave, and it could even have a big dip or hole in the middle of your triangle. As if you had been walking around the side of a huge crater. You would have been walking at a tilted angle around on the side of the crater wall of, with "gravitational" force angling inward towards the crater center. Proving something is a extremely difficult thing to do. It seem to me that the vast majority of commenter an posters do not have the slighted idea of what it means to prove something. In regards to my last statement I think Rob Skiba is among the few I follow that do seem to have a good grasp on the definition.
My issue with the initial statement that this proves a spherical earth is that it is presented as trivial test anyone can performe. On our Google Earth globe there is no land mass big enough where such a walk could be performed. Even if there were, good luck with mountains and merely walking in a straight line without having to rely on navigational equipment like a compass, which normal use, is based on preset assumptions of the shape of the world.
Uh, yeah the Bible tells u that the earth is a sphere and hangs upon nothing