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We all were there when Elon Musk was asking
‘The Flat Earth Society” the important questions, poking at the reasoning
behind the theory that Earth is, in fact, a flat disc. While flat-earthers seem
to lack substantial arguments in the debate and it seems quite obvious what the
answer to the age-old question is, imgur user GregPagel’s views were challenged
after he snapped a photo of Lake Michigan.

After examining the photos, Greg, a
47-year-old musician from Manitowoc, realized that the horizon he captured
seemed quite flat, instantly raising doubts about everything he knew about
Earth.

“I’ve often looked at the horizon over that
lake–thousands of times–and wondered “am I seeing a curve? I’m not sure. Maybe
a little? Or is my mind playing tricks?” As a kid, I’d look at it a lot” Greg
told Bored Panda. So, he did what any other person would do, he used science!
“When I actually did the math and made the diagram, I actually felt a rush”
Pagel recalled.

Using Google Earth and some calculations he
was able to figure it all out and share the surprising results with the
world. Scroll down to see what he found
out yourself!

Yesterday, imgur user Greg took some pictures
in Manitowoc, Wisconsin

He snapped some beautiful panorama shots of
Lake Michigan

However, he quickly noticed that something odd
about the photographs

The horizon seemed pretty… flat

So Greg did what any other person would do and
used science to figure it all out

From using Google Earth to graphs, the man
dove head-first into the challenge

And it was no surprise that he figured it out

And here’s your answer! 0.12 curve is barely
noticeable, but it’s still a curve!

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but u keep telling us that boats disappear down the curvature!!!

ReplyDeleteHello! Fascinating stuff, but the actual answer is far more complicated. When we look at the horizon over water, as this fellow did, we're not seeing a straight line (map view), but rather an arc, with the observer at the center.

ReplyDeletePicture putting a cone (like a paper cone birthday hat) on a ball, such that the ball fits in the cone. The edges of the cone will be tangent to the ball, much like our line of sight to the horizon is actually where the globe is tangent to our view. Now, if you flatten the paper cone so that it's height is only 6 feet above the globe, then the distance to the point of tangency will be 3 miles.

The line of tangency (horizon) itself will be like a giant hula-hoop, with a radius of 3 miles, surrounding you. But that three miles is the radius, in all directions. Thus, even if you can positively identify several landmarks on the map, the actual horizon (as seen in map view) is a curve, and not the curve of the earth, either.

The reason why it's so tough to see Earth curvature is because we're standing "inside the hulahoop" as it were, trying to see the curve of the hoop.