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Author Topic: Is The Earth A Flat Round Disc or Is It a Round Spherical Globe?  (Read 71960 times)

Offline verpies

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Re: Is The Earth A Flat Round Disc or Is It a Round Spherical Globe?
« Reply #390 on: September 08, 2016, 02:22:36 PM »
Not only that... but your black poles next to the railroad tracks look like they are getting shorter the farther away they are. Do you think this is real, or is it a result of perspective acting in the y-direction?
I think the black poles are getting visually shorter in the y-direction, because of the perspective effect.

Free Energy | searching for free energy and discussing free energy


Offline verpies

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Re: Is The Earth A Flat Round Disc or Is It a Round Spherical Globe?
« Reply #391 on: September 10, 2016, 10:06:37 AM »
That's pretty silly. It has been known for a long time that the air over bodies of water can refract light beams, so objects that are actually "below" the horizon can _appear_ to be above it. It's a well-known cause of "mirages".  This is because of the dependence of refractive index of air on temperature differences in various layers of air-- the same thing that makes stars "twinkle" and appear to move around a bit at night.  Unfortunately -- for you and other flat-earthers -- this laser test is invalid for that reason.
I have to agree with that.  Any long-distance optical observations in the atmosphere are not trustworthy because the atmosphere is a giant convex lens and the density gradients over water make atmospheric ducting even worse.
I was always curious what its average focal length is, ...as viewed from outside of the atmosphere.

So all of the long-distance visual evidence can be thrown into a proverbial "garbage", regardless whether it supports flat-Earth or curved-Earth.

An optical experiment that conclusively measures the curvature of the Earth would have to be arranged like this:


Offline verpies

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Re: Is The Earth A Flat Round Disc or Is It a Round Spherical Globe?
« Reply #392 on: September 10, 2016, 10:35:41 AM »
Eratosthenes did it more than 2000 years ago:
https://en.wikipedia.org/wiki/Eratosthenes#Measurement_of_the_Earth.27s_circumference
Eratosthenes used two points of measurement, but a three colinear points of measurement would need to be made at the same time to accurately gauge the curvature without any further assumptions.

Also, Eratosthenes did not account for the refraction of sunlight by the atmosphere which is giant convex lens over Earth's surface.

Offline verpies

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Re: Is The Earth A Flat Round Disc or Is It a Round Spherical Globe?
« Reply #393 on: September 10, 2016, 11:10:33 AM »
You can find many photos of tall buildings that appear to lean "inwards" toward the top.
Only because the Z-axis distances from the observer to the base and top of the building are not the same, when the observer stands on the ground. 

If the Z-axis distances are the same for the observer, then the perspective is unable to create this illusion of "leaning inwards toward the top".


Offline AlienGrey

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Re: Is The Earth A Flat Round Disc or Is It a Round Spherical Globe?
« Reply #394 on: September 10, 2016, 01:53:27 PM »
Yes it's all very amusing isn't it (that's not a question), Have any of you ever seen a poltergeist at work or seen an entity ? they are clever beings they  lie and deceive, pretend to be a child to gain entry  and are excellent at trickery,

I've come to the conclusion any form of manipulating control is demonic and this stuff is linked to religious days of old and now evil manipulators, if you want to go down this route then perhaps your going to end up with the controlling entity's your entertaining when you pass over, because that's the name of the game they are playing with you, be careful what deception you choose.
« Last Edit: September 10, 2016, 11:21:33 PM by AlienGrey »

Free Energy | searching for free energy and discussing free energy

Re: Is The Earth A Flat Round Disc or Is It a Round Spherical Globe?
« Reply #394 on: September 10, 2016, 01:53:27 PM »
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Offline tagor

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Re: Is The Earth A Flat Round Disc or Is It a Round Spherical Globe?
« Reply #395 on: September 10, 2016, 04:27:27 PM »
Only because the Z-axis distances from the observer to the base and top of the building are not the same, when the observer stands on the ground. 

If the Z-axis distances are the same for the observer, then the perspective is unable to create this illusion of "leaning inwards toward the top".



Distance to horizon
http://williams.best.vwh.net/avform.htm#Horizon

Quote
    At a height h above the ground, the distance to the horizon d, is given by:

      d = sqrt(2*R*h/b)

    b=0.8279 is a factor that accounts for atmospheric refraction and depends on the atmospheric temperature lapse rate, which is taken to be standard. R is the radius of the earth. Note that the earth is assumed smooth- likely only true over the oceans!

    For h in feet and d in nm:

     d =1.17*sqrt(h)

    i.e. from 10000 feet, the horizon is 117nm away

    (Reference Bowditch American Practical Navigator (1995) Table 12.)




for the earth R = 6380 km (  3970 miles )

Quote

sur la photo " the observer" regarde le mont Mc kinley qui est à 140 miles soit 225.3 km
tout en etant a 2089 ft soit 636 m

la hauteur du mont Mc kinley est 3.8 miles soit 4828 m

j'utilise la formule d = sqrt(2*R*h/b)
et je calcule l'horizon optique
depuis le mont Mc kinley soit 4828 m
l'horizon optique est : 272.8 km   => il est donc évident que l'on peut voir " the observer " depuis le mont Mc kinley

calcule de l'horizon optique depuis l'observateur " the observer " ( qui se trouve a 2089 ft soit 636 m )
l'horizon optique est : 99 km il est evident que l'on ne peut pas voir entièrement  le mont Mc kinley

mais en prenant la formule H = D*D / ( 2 * R )

avec D = 225.3 - 99 km
on trouve H = 1250 m

donc depuis " the observer " on peut voir  le mont Mc kinley a partir de 1250 m



we can see mount Mc kinley above 1250m

Quote

you pass over, because that's the name of the game they are playing with you.


yes

Offline gravityblock

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Re: Is The Earth A Flat Round Disc or Is It a Round Spherical Globe?
« Reply #396 on: September 25, 2016, 06:17:27 AM »
Grab some popcorn...  ;D

Gravock

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Re: Is The Earth A Flat Round Disc or Is It a Round Spherical Globe?
« Reply #396 on: September 25, 2016, 06:17:27 AM »
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Offline tagor

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Re: Is The Earth A Flat Round Disc or Is It a Round Spherical Globe?
« Reply #397 on: September 25, 2016, 08:51:25 AM »
Grab some popcorn...  ;D

Gravock

qué ki di le troll ?

Offline tagor

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Re: Is The Earth A Flat Round Disc or Is It a Round Spherical Globe?
« Reply #398 on: September 26, 2016, 08:07:14 AM »
Grab some popcorn...  ;D

Gravock


this the proof that flatearthers are big scammer and liar

Offline gravityblock

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Re: Is The Earth A Flat Round Disc or Is It a Round Spherical Globe?
« Reply #399 on: September 26, 2016, 12:21:24 PM »
tagor,

Fisheye Lens!

Gravock

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Re: Is The Earth A Flat Round Disc or Is It a Round Spherical Globe?
« Reply #399 on: September 26, 2016, 12:21:24 PM »
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Offline gravityblock

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Re: Is The Earth A Flat Round Disc or Is It a Round Spherical Globe?
« Reply #400 on: September 26, 2016, 12:34:18 PM »

Offline tagor

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Re: Is The Earth A Flat Round Disc or Is It a Round Spherical Globe?
« Reply #401 on: September 26, 2016, 04:48:08 PM »
tagor,

Fisheye Lens!

Gravock

fisheye lens ?!!!?  you are a big liar !


Offline AlienGrey

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Re: Is The Earth A Flat Round Disc or Is It a Round Spherical Globe?
« Reply #402 on: April 11, 2017, 10:38:44 PM »
For all you Flat earth lovers this live fee is for you !

https://www.youtube.com/watch?v=qzMQza8xZCc

And this live shot

https://www.youtube.com/watch?v=RtU_mdL2vBM

Explain this away !

Enjoy and your dark side rising !

Offline TinselKoala

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Re: Is The Earth A Flat Round Disc or Is It a Round Spherical Globe?
« Reply #403 on: April 12, 2017, 12:17:50 AM »
AG, don't you know that all NASA videos are fake?

 ;)


Online MileHigh

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Re: Is The Earth A Flat Round Disc or Is It a Round Spherical Globe?
« Reply #404 on: April 12, 2017, 12:49:52 AM »
AG, don't you know that all NASA videos are fake?

 ;)

There are some people with certain radical political views and deniers of certain aspects 20th century history that I will not discuss here that completely freak me out sometimes.  Likewise, the Flat-Earthers and their own ecosystem also completely freak me out.  There are hordes of them on YouTube.

I suppose that I can throw in the moon landing deniers.

You are living on a big pizza pie inside a giant snow globe.  That's what my rake told me.

Free Energy | searching for free energy and discussing free energy

Re: Is The Earth A Flat Round Disc or Is It a Round Spherical Globe?
« Reply #404 on: April 12, 2017, 12:49:52 AM »

 

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