What if Earth would be flat?

We all know that Earth is almost like a ball. Or it's flattened on poles because centripetal force is stretching its equator. But the Earth is not flat. This is the thing that everybody should understand. 

 Flat Earth is one of the things that are proven wrong. But if Earth would be flat. That thing should rotate quite fast. Or the size of the pancake world should be extremely small. 

If the flat Earth would be stable the gravitation would pull all water to the middle of the disk. But large size object requires centripetal force to deny the collapse of the structure. That means the structure must rotate. Same way, if we will create the black-hole-driven spacecraft. Its core should rotate. For eliminating the effect of the massive gravitation. In that case, the centripetal force will pull the edge of the core outside. 

When we see films where people would hang at the edge of imaginational flat Earth we forget that gravitation would pull those people to the center of that thing. So people could walk at the edge of the world normally. Or the centripetal force will just throw people away from the edge of our flat Earth. 

Many things are wrong when people are talking about flat Earth. If the flat Earth would rotate the rotating disk would act as a centrifugal cannon. That thing means that water and all hummus will fly away from the disk. The idea is similar to when the fast-rotating disk would drop water. That disk would sling that water around the room. 

The centripetal force would just remove gas and water away from that disk. If that disk would not rotate the gravity would crush that structure. So the centripetal force is needed to deny the collapse of the pancake world. 

The flat Earth is the thing that is proven as fake. The curving horizon proves that Earth is ball-shaped. 

The "Alderson disk"

But there is one very interesting model that might interest people. That model is called "Alderson disk". The idea of the Alderson disk is taken from flat Earth. The Alderson disk would be a giant artificial megastructure. So-called artificial planet. The Alderson disk would require rotation movement for keeping its form. 

And that thing makes this futuristic disk-world very hard to build. Without centripetal force that structure would collapse immediately. But the rotating speed at the edge of the disk would be extremely high. And that speed would drive all water to the space. 

The Alderson disk would be very big construction work even the Kardachev class 3 civilizations. The weight of that kind of structure would be enormous. So that means there is the possibility that even if that structure is possible to make. The asteroids will impact with it and destroy that thing. 

https://en.wikipedia.org/wiki/Alderson_disk

https://thoughtandmachines.blogspot.com/

There might be connections between "Islands of the space" and "Flat Earth" theory

Kimmo Huosionmaa

We all know that the Earth is a ball, but there is one thing, what might interest the persons, who are discussed about this kind of things. In the 1980's were plans to send the man to the Mars and for that purpose, NASA planned to send to that trip the spacecraft, there was actually two manned modules at the end of the cable. In the middle of the cable is the nuclear reactor or solar panels, what gives the electric power for that spacecraft, in the distant travel in our solar system.


Because of this structure, the spacecraft would rotate around the central point of the cable, and this would be possible to make artificial gravity for that space trip. Use of two different capsules makes the flight safer because, in the case of a leak, the crew can move to the other capsule.  In this spacecraft would house, and gardens inside those modules, what allows to produce the things like vegetables and cotton in the spacecraft. The last one would be needed for making clothes and other textiles.


The thing is, that this spacecraft would seem like "flat Earth" inside those capsules. The reason, why there is planned those gardens and other things is, that the crew would feel more comfortable if they could live in the space, what feels like Earth. The need for artificial gravity is necessary because the astronaut's muscle would be lost their strength in the zero-gravity space condition.


If we think about the flat-earth society, that could be originally covert-term, what was meant for the personnel, who work with this kind of projects. And this means that NASA was seriously investigated the opportunity to build this kind of spacecraft. There were also plans for making the wheel-shaped space station, by using Mylar structure, what looked like a swim ring. When the space station would be sent to the space that structure would be blown full of the air. The ring would be empty until this thing has been sending to the orbital trajectory, and then the structure would be blown to the shape. In the center of this thing would be docking structures and airlocks.

https://www.youtube.com/watch?v=nGTkp4zG83E

The NASA:s concept for artificial gravity

https://en.wikipedia.org/wiki/Artificial_gravity

https://www.nasa.gov/vision/space/travelinginspace/keeping_astronauts_healthy.html