The Instigator
Pro (for)
The Contender
Con (against)

The Earth is a sphere (it is not flat)

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Voting Style: Open Point System: 7 Point
Started: 4/2/2018 Category: Science
Updated: 3 years ago Status: Debating Period
Viewed: 458 times Debate No: 112167
Debate Rounds (4)
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For this debate I will be saying the Earth is a sphere.

First, the Earth could in no way be flat as a tree behind the curvature of the earth could not be seen from sea level.(The curvature of the Earth is in the way). However, if you were at the top of a mountain, you could see the tree. This would not happen if the Earth was flat as the tree would not be behind the curvature.

Secondly, any shape in space, more than a few miles long will collapse into a ball shape (a sphere) because of gravity. This is because as far as I know, the sphere isn"t the only 3D shape with an equal amount of gravitational pull at any point on the surface. So the ball is the only shape where movement because of gravity would not happen. Therefore the Earth would have collapse do into a ball.

Finally, the curvature of the Earth can be seen from the ISS (The International Space Station).

Also for this debate can we not use straw men. Thanks in advance.


First of all, a tree will be able to be seen on a flat earth if you were at the top of a mountain just the same as if the earth had a curvature. If the earth had a curvature like you say it does, if you were on top of the mountain you'd almost always see water (or the continent across), which you don't because everything is just lost in the horizon (because of the atmosphere and our limited vision). If what you say is true you should be able to see the tip of a tall mountain from a boat before you see the land, which simply isn't the case.

Secondly, for what you say about a shape in space that will collapse into a ball, you are assuming it is revolving around the sun, what would make a planet round is the gravitational pull towards the sun and a single gravitational core in the center. A flat earth, however, is not revolving around itself or the sun. Our flat earth is simply accelerating upwards giving us the effect that we call gravity.

A flat earth does not mean a square earth. The curvature you'd see from the ISS (if you were to go there) would be a distortion because of the atmosphere and the angle you're looking at it from, just as you'd see a curvature on one half of a frisbee. Just because something has a curve it doesn't make it a sphere.
Debate Round No. 1


In response to you earlier thing I meant that this does happen and the tree could be observed from a higher altitude and not from a lower one.

For the second arguement it is the centre of gravity of the shape that it collapses around. I do not see how this in any way affects the Sun.

Okay thirdly, even if the Earth was a circle, you would be able to see all the continents in one go (using the most common flat earth model). Images from the ISS do not show all the continents.

Also you say the Earth is slightly accelerating, causing an effect we call gravity. If this is so. What keeps things from floating around on other planets? Say, for example, a rover on Mars on Neil Armstrong and Buzz Aldrin when they walked in the moon.

Also if gravity is an effect, how does the moon stay in orbit, how do other planets orbit other stars. What is keeping our atmosphere from floating into space and killing us all. (For reference later space is a vacuum whereby there is no oxygen or nothing else for that matter, so we not be able to survive.

Also if the Sun was circling the Earth(using the common flat earth model) despite it illuminating only a certain area (according to flat earthers) but it should be able to be seen on all points of the globe as it is massive. (In comparison, Jupiter could fit about 980 times into it).

Also how do you explain long period of darkness in the Polar circles if the Earth is flat.

Thank you for reading
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Debate Round No. 2
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Debate Round No. 3
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Debate Round No. 4
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