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Thread: Flatland

  1. #1 Flatland 
    Forum Professor marcusclayman's Avatar
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    A recent thread on a flat earth was locked before anyone mentioned the earth's shadow on the moon.

    So to revitalize the theory on flatland, but in a truly scientific light, and not as "religious-science" (whatever that means)

    What is all the evidence that proves the earth to be roughly spherical?

    1: You can get from any point on the surface of earth by moving in a seemingly straight line over the surface, because you are in fact not moving in a straight line, but a curved path around the globe.

    2:
    Satellite pictures show us, and astronaut's have seen the spherical planet, from many different angles.

    3:
    Radio transmitters need to be able to "see" each other to communicate. Even when there are no hills in the way, they must be spaced "such and such a distance" apart from each other, so that the horizon(as seen from each tower) is not blocking the transmitter. This is why radio towers are so tall, and why satellites are used for very long distance transmitters.

    4: Even when satellites are used, which are well above the tallest terrestrial barrier, multiple satellites are needed to send a message to the opposite side of the earth.

    Some of the oldest known proof can be seen with our own eyes.

    5:
    The horizon. When out to sea, all you see is water. As you approach land it appears as a sliver or a dot as it "rises" over the horizon.

    6:
    The Earth casts a circular shadow which we can see as it passes over the moon, no matter the angle from the sun. If the sun spun around a disk shaped world, the shadow would be a line or rectangular at times. If the sun spun over a disk shaped world, the shadow would always be oblong.

    There are no doubt more proofs, but I'm not going to waste my time going through them all. Please add to this, and more importantly, share any alternative explanations for these anomalies, that would allow for a flat land.

    Maybe this thread could be stickied somewhere as a place to redirect future quacks.


    Dick, be Frank.

    Ambiguity Kills.
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  3. #2  
    Forum Isotope
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    The moment I say that title I thought you meant the book, Marcus. I recommend it, it's pretty good if you ever have the time. (short book)


    Wise men speak because they have something to say; Fools, because they have to say something.
    -Plato

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  4. #3  
    Forum Professor marcusclayman's Avatar
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    Yeah, I will read it sometime.
    Dick, be Frank.

    Ambiguity Kills.
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