Orion is a prominent constellation located on the celestial equator, and therefore, visible throughout the world. The angle Orion makes during rising and setting corresponds to the observer’s latitude, and so does its altitude during culmination. All the observations are only consistent if Earth is a sphere.
Flat-Earthers claim the visibility of Orion from the entire world disproves spherical Earth. This only comes from their difficulty in understanding the geometry involved. By understanding Earth’s rotation and where Orion is located, it is not hard to conclude that the visibility of Orion is consistent with the spherical Earth model.
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The Giza-Orion correlation theory is a fringe hypothesis claiming the correlation between the design of the Giza pyramid complex and the position of Orion’s belt during the time the pyramids were built.
Some flat-Earthers use the Orion correlation theory to prove that stars never change. They are wrong. The theory already accounted for the shift in the position of the stars due to Earth’s axial precession. The theory was formulated using the position of Orion’s belt when Egyptians built the pyramids, not the current position of the stars.
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On December 3, 2014, NASA published a video describing the Orion EFT-1 mission, narrated by a NASA scientist, Kelly Smith. The mission was the first unmanned flight of the Orion spacecraft.
Some unscrupulous flat-Earthers decided to turn the video into ‘evidence’ that NASA never went to the moon. They cut down the video to the ‘important’ parts and added in prejudicial narration and subtitles. There are countless of such videos on YouTube, and at some point, it was nearly impossible to search for anything educational about the Van Allen radiation belts on YouTube.
They are wrong. There are, in fact, two Van Allen radiation belts. Apollo traversed the outer belt that has lower radiation level in a hurry, while Orion was deliberately sent into the far more dangerous inner belt. They are named ‘belts’ precisely because they are like the real belts. It is possible to bypass the most dangerous parts of the belt, just like Apollo did.
Orion EFT-1 is not ‘evidence’ that the Apollo mission didn’t happen.
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