this post was submitted on 26 Apr 2024
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Science Memes

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Dank projection, bro. (mander.xyz)
submitted 6 months ago* (last edited 6 months ago) by [email protected] to c/[email protected]
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[–] [email protected] 36 points 6 months ago (1 children)

For now. It used to a few million years ago and will again in another few million.

[–] [email protected] 24 points 6 months ago* (last edited 6 months ago) (5 children)

Are you referring to the magnetic pole switch? That happens every 200-1M years, according to patterns on the seafloor. It’s been estimated that the last reversal was 780,000 years ago, so it theoretically could be any day now.

With that being said, I doubt that humanity will agree to turn all maps 180° to correspond.

[–] [email protected] 12 points 6 months ago

I was referring to continental drift. Places move a lot in under 200 million years. Eg https://youtu.be/uLahVJNnoZ4

So my post was a bit sarcastic that eventually it will have a coast but not on any time frame to matter to the human species. :)

[–] [email protected] 3 points 6 months ago* (last edited 6 months ago)

Laschamp event! I just edited a related wiki page on late Pleistocene extinctions. Spoiler alert: it didn't kill the megafauna.

[–] [email protected] 23 points 6 months ago (2 children)

I thought they were referring to the fact that under the ice its an archipelago, so if the ice melts it will have southern coasts again

[–] [email protected] 0 points 6 months ago (1 children)

If it melts, they'd all be northern coasts.

It's referencing the pole swap.

[–] [email protected] 5 points 6 months ago

Since it's an archipelago underneath then most, if not all, of those islands would have a southern coast. The only way to not have a southern coast is to have the landmass directly on top of the pole, which could only happen for one island (if no ice is present)

[–] [email protected] 12 points 6 months ago* (last edited 6 months ago)

Valid point. It’s a shame humanity wouldn’t be around to confirm. lol

[–] [email protected] 2 points 6 months ago

Just flip it over lol

[–] [email protected] 16 points 6 months ago (1 children)

the continental plate also migrates

[–] [email protected] 4 points 6 months ago* (last edited 6 months ago) (1 children)

At the rate of 1 CM/year