Every single person on our planet, past and present, share the same moon - but depending on where you are in the world, it will look slightly different.
Professor Brian Cox, if you're reading this, I apologize, because while you are gaining a further understanding of black holes and the part they play on our universe, some people are only just discovering that the moon looks different in other countries.
Little does he know that a huge portion of people can't fathom that the moon looks different in the US than it does in Australia, and I'll admit I didn't have a clue.
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Taking to TikTok, an Australian called Corey has seemingly educated hundreds of thousands of people across the world.
He said: "Why the f*** are we not shown in schools that the way we see the moon in the southern hemisphere is upside down to the way it's seen in the northern hemisphere, and vice versa.
"I moved to a different hemisphere, and I still didn't realize it until years in, and I knew something was up but I just couldn't f***ing put my finger on it - this is what was up!"
Corey went on to explain why: "This is because if you're in the southern hemisphere you have to look north to see the moon, and if you're in the northern hemisphere, you have to look south to see the moon.
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"So, the way you see the moon in Brazil is different to how you see it in England, and the way you see the moon in New Zealand is different to how you see it in Japan. No one talks about it, why?
"I want to see some flat earthers have a crack at this one as well, see what they have to say."
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More than 500 people rushed to the comments.
"Ok, I understand it, but I also don't understand it," one person posted.
While another asked: "But what about the middle? Where does it 'flip'?"
"Dude the sky looks different in the southern hemisphere. I can't explain it but it's true," shared another.
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Well, apparently not all of us feel as if we were failed when we were younger, as one user explained that they were taught about this phenomenon in school in Germany back in the 1980s.
But it gets crazier - depending on where you are in the world a crescent moon will be positioned differently.
If you're in a country where the equator runs through, a crescent moon will either be at the very bottom or at the very top.
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Meanwhile, in the northern and southern hemispheres a crescent moon will look like how DreamWorks show it with the boy fishing off the moon - so either to the right or to the left.
"I went to Egypt and saw the bottom half of the moon and it blew my mind. I'd never seen it like that before," one person explained on TikTok.
While another commented: "This blew my mind when I was in Jordan last year - i was so confused why the crescent was in a weird position."
Joe Yates