Is Earth Actually Flat?

published on July 17, 2020

Hey Vsauce Michael here in 2003 researchers did the measurements and found that Kansas is in fact literally flatter than a pancake of course the earth is not flat the earth is round otherwise travelers would be falling off the edge all the time

Right wrong if the earth was not a ball shape but was instead a flat disc like this plate well with the right density and thickness living in the middle could feel pretty normal but as you moved toward the edge gravity on a disk earth

Would slightly skew pushing at a greater and greater angle back toward the center my friend Nick from Yeti dynamics put together this great simulation the person and buildings obviously aren't to scale but

Check out how such increasingly diagonal gravity would work although this is a flat disk it would feel to a runner headed toward the edge like they were fighting to climb up a steeper and steeper Hill the building foundations

Behind the runner reflect how you would have to build structures closer and closer to the edge so that people living in them always felt like down was at right angles to the floor the way we feel it on our big round earth now as

You approach the edge things would get scary remember this is a flat earth but it would feel like a sheer drop-off what's really cool is that contrary to the don't fall off the edge fear on a flat world because of gravity the scary

Risk would actually be falling away from the edge and rolling all the way back to the center once you stepped over the edge instead of falling off into space you'd be able to relax it would be a nice level place this model of course

Neglects the fact that such a planet shape would be impossible anything as massive as the earth shaped like a flat disk would under its own gravity naturally collapse back into a ball this is why in outer space everything more

Than a few hundred miles in diameter is round or so we've been told what if gravity isn't real what if the earth is in fact flat and science has been wrong all along it's a misconception that

Christopher Columbus discovered that the earth is round virtually every scholar and major religion in the West accepted Earth's rotundity since at least the time of the ancient Greeks who for instance had

Noticed that boats disappear bottom first when sailing away and as you walk north and south stars pop into and out of view the misconception that only a few hundred years ago lots and lots of people believed the earth was flat

Likely began in the modern era as a sort of insult a well your people recently thought the earth was flat so why should we believe you now the smear was repeated and published so often it became accepted as historical fact flat

Earther became synonymous with anti science it might seem flat over short distances but over longer ones well the earth is pretty darn curvy the verrazano-narrows bridge connecting Staten Island in Brooklyn had to be

Designed with Earth's roundness in mind it's two towers separated by 1300 meters and perfectly vertical are nonetheless 41 millimeters further apart at the top than at the bottom because of Earth's curvature in the 3rd century BC aratus

Feeney's measured the differences between shadows cast by poles in Syene and Alexandria to calculate more than 2,000 years before rockets and space travel the circumference of the entire globular earth with for the time

Impressive accuracy word got around that the earth was a round shape after that but in 1906 Wilbur Glynn Bulava became head of a slightly bizarre religious sect that pretty much ran the city of Zion

Illinois Bulava believed that the earth was actually flat and he enforced Flat Earth teachings schools in Zion he also enforced that belief on really anyone who entered the city vallabha believed not only that the

Earth was flat but that the Sun was only a few thousand miles away from Earth not 93 million he also believed that the Sun was only 32 miles across not 860,000 he sounds crazy or does he you see the same phenomenon aratus teenies measured could

Be explained by a Flat Earth if the Sun were only a few thousand miles away and 32 miles across the math would work out the same today with the power of the internet modern-day flat-earthers have picked up where vallabha left off they

Have quite good explanations for any evidence you throw at them that the earth is round circumnavigation is really just a flat circle path the round shadow earth casts on the moon during a lunar eclipse could also be made by a

Flat disc time zones are caused by a spot light Sun and remember how gravity would be totally different on a disc-shaped planet well they argue that gravity as we know it simply doesn't exist the flat disk of

Earth is merely accelerating up at 98 meters per second as for all of the photos and video evidence we now have that the earth is round thanks to space exploration well all of that material is completely fabricated a

Hoax perpetrated by big globe space agencies Airlines global manufacturers they are reaping the rewards of our ignorant belief that the earth is actually round they know of course that it's flat and they're hiding that truth

From us is it merely a coincidence that the logo used by the Flat Earth Society is a projection of Earth centered on the North Pole and also happens to be the projection used by the United Nations are these people for real probably not

Most of them but this is the crux of Poe's law an adage that states that at their extremes parody of extremism and sincere extremism are difficult to distinguish although clever Flat Earth theories are

Predominantly ad hoc explanations excuses made up on the spot that only address one issue and don't fit all the evidence science of course rejects a theory if a better one fits more of our observations but why the egotistical

Obsession with our observations a cosmic ray particle could use the very same scientific method we use and conclude that the earth was in fact flat you see at speeds near the speed of light time slows down and lengths contract one way

We know this is that unstable Mulan's created in the upper atmosphere by the collision of cosmic rays with the atmosphere should mostly decay before reaching Earth's surface but yet we detect a lot of them down here because

They're crazy fast speed literally means that from our perspective their physics runs according to a slower clock and to them the distance they have to cover to the surface during their short lives is from their perspective much much shorter

Than it appears to us if you were a cosmic ray proton traveling at ninety-nine point nine nine nine nine nine nine nine nine nine nine one percent the speed of light earth would appear to be only 17 meters thick in the

Direction you traveled so earth is flat to them but round to us it is ball shaped to some observers and flat to others there doesn't appear to be a single most correct estill all circumstances answer susan haack

Compares knowledge to a crossword puzzle new Answers interweave with old ones they all reinforce one another the clues are the questions we ask and the way the answers fall into a predetermined grid well that's our confidence that were on

The right track but that doesn't mean that one day there will be a finished puzzle a complete answer what all the New York Times famous 1996 crossword puzzle that came out the day before the us election between Bill

Clinton and Bob Dole the clue 439 across was pretty crazy you seem to me to be able to tell the future to answer it correctly it simply said lead story in tomorrow's newspaper blank elective well that blank could be Clinton or Bob Dole

And who's to say which one until tomorrow there's no way to know but as it turned out the answer was Clinton or Bob Dole no matter which you wrote in all the other clues fit for instance a black Halloween animal could either be a

Cat or a bat our knowledge about the outside world might be the same a puzzle with no answer key just the reassurance that the answers we think we know fit together so they're probably correct though there's always the possibility

That the answer to one clue or all of them will fundamentally not have a single definite satisfying answer the puzzle may be playable forever I like what Richard Fineman says about this some people say how can you live without

Knowing I do not know what they mean I always live without knowing that is easy how you get to know is what I want to know you know and as always thanks for watching

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