Big Diomede and Little Diomede Islands

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The Big Diomede and Little Diomede are islands in the middle of the Bering Strait. Although only 4 km apart, they belong to different countries and have a 21-hours time zone difference.

Flat-Earthers noticed the number of polar days is different on both islands during the summer solstice & they used it to discredit science. In reality, the islands are very close to the Arctic circle, & during the June solstice, the sun’s path is almost parallel to the horizon. A tiny change in latitude or height can result in a large change in sunrise & sunset times.

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Wind & Jet Stream Excuses

Flight durations are a useful proxy for the distances between cities and easily debunk flat Earth. Flat-Earthers invented the “explanations” that the discrepancies of the flight durations in the flat Earth model are caused by winds and jet streams.

In reality, the required wind speed in such a scenario far exceeds the typical jet stream speed. Furthermore, the wind does not affect similar routes the same way in the flat Earth model. And we can easily account for the wind speed differences by averaging the flight durations in both directions. Continue reading “Wind & Jet Stream Excuses”


The skyline of Toronto, Canada, is visible from across Lake Ontario, including from the cities of Hamilton and Niagara-on-the-Lake, as well as the Fort Niagara National Park. However, only its upper part is clearly visible, consistent with the spherical Earth model.

The upper parts of the skyline are affected less by atmospheric refraction, and more clearly visible. And the nearer to the horizon, the higher is the effect of atmospheric refraction. There are a few brighter colored buildings that appear above where they should be. These are the phenomenon of looming if they look upright, or superior mirage if they are upside down.

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Admiral Byrd: “An Area As Big As The United States on the Other Side of the South Pole”

According most flat earthers, there’s no such thing as the continent of Antarctica. In their imagination, Antarctica is not a continent, but  a long ice wall enclosing the Earth. Without having anything to prove that assumption, they look anywhere for any quote they can mine and stumbled into this quote by Admiral Byrd:

“Strangely enough, there is left in the world today, an area as big as the United States, that’s never been seen by a human being. And that’s beyond the pole, on the other side of the south pole from Little America.”

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