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originally posted by: fromunclexcommunicate
There were four statues carved of the Moai with red topknot hats at Anakena Ahu.
originally posted by: fromunclexcommunicate
a reply to: Harte
If they were sailing on a reach south along the coasts of Colombia and Ecuador the navigators would probably note the bright stars of the southern cross rising above the shoreline and arcing west towards tomorrow morrow land. Those ancient sailing vessels could run downwind with the trades but even with side oars lowered would be limited to sailing a broad reach of at least 110 degrees off the wind. So if they sailed as far south as southern Peru looking for the westerlies, the shoreline starts to bend SE and the strong headwinds would leave them needing to anchored on more days than not. Must have been heartbreaking if they were trying to sail home.
So the statues facing south on the beach might have been a tribute to the night sky.
The circular stones with the "top knots" would be explainable if you were a navigator watching the night sky rotate around the southern pole axis of the night sky. Of course its still somewhat of a mystery how Peruvian sweet potatoes arrived on Easter island? They were first domesticated around 2500 BC by agricultural tribes in Peru.
sweet potatoe
originally posted by: anonentity
a reply to: Hanslune
The DNA of Australian aboriginals is exactly the same as the original race living in South America. That's another big mystery.
Unlike the northern polar vortex, the Antarctic polar vortex has a very consistent shape. This is because the northern hemisphere has big mountain ranges at the right latitudes to stir the air and interrupt the flow (the Rockies, the Alps and the Urals). The flatness of the southern hemisphere mid latitudes allows the polar vortex to hold its shape.
originally posted by: fromunclexcommunicate
The successful navigators that were circumnavigating the globe in vessels that had to sail at least 90 degrees off the wind circa 1000 BC would have been extremely disciplined and likely some of the most proficient astronomers and mathematicians on the planet at the time. It would be important for them to share the same navigational techniques/sky references with the societies they came in contact with. The first globes that survived and made into our current history were made from Ostrich Egg shells. But look at the top half of these Mexican Olmec statues that dated back to 1500 BC.
originally posted by: fromunclexcommunicate
a reply to: Harte
As far as human migratory patterns go if they couldn't walk and had to use a raft it may just come down to probability.
Southern hemisphere latitudes may be a little more predictable since the katabatic winds rolling off Antarctica are a little more stable.
Unlike the northern polar vortex, the Antarctic polar vortex has a very consistent shape. This is because the northern hemisphere has big mountain ranges at the right latitudes to stir the air and interrupt the flow (the Rockies, the Alps and the Urals). The flatness of the southern hemisphere mid latitudes allows the polar vortex to hold its shape.
Polar vortex
originally posted by: anonentity
a reply to: Hanslune
The DNA of Australian aboriginals is exactly the same as the original race living in South America. That's another big mystery. They could not have walked it, and neither could they swim the distance. As for the sweet potato, it was common in New Zealand as well. The time they arrived during an ice age, Which might suggest the area of their habitation don in Tierra del Fuego, might have gotten too cold so they looked for another place to live. I would surmise that the trade winds were different in latitude during the glaciated periods. Rush canoes similar to the ones on lake Titikaka were used in NZ as well.
Next, the researchers used software to test different scenarios that might have led to the current DNA dispersal. The best fit scenario involves some of the very earliest—possibly even the earliest—South American migrants carrying the Y signal with them, the researchers report today in the Proceedings of the National Academy of Sciences. Those migrants likely followed a coastal route, Hünemeier says, then split off into the central plateau and Amazon sometime between 15,000 and 8000 years ago. "[The data] match exactly what you'd predict if that were the case," Raff agrees.
originally posted by: anonentity
a reply to: fromunclexcommunicate
Polynesians were the best navigators and sailors, simply because they had vessels that were stable and fast, if they got into really bad weather the hulls would fill up and become more stable, being wood they would not sink and then could be bailed out to continue the voyage. They would have picked up the knowledge from somewhere else and used it. Boats would have had to be careened, so wey stations along various routes would have had to exist, these places would be where mathematical and practical knowledge would have been shared and picked up. Then one year the ships no longer came, could have been the bronze age collapse. Some cataclysm or other as their will always be somthing, just like Cook who picked up a Polynesian navigator who knew his way around the pacific ocean. Who could converse in the same language with people half a world away, suggests that not enough time had passed for the languages to be incomprehensible to the various parties? Something like that anyway. Tongan Navigators are still pretty good, simply because all their tech was in their heads and not in some instrument that will eventually stop working.
originally posted by: anonentity
a reply to: fromunclexcommunicate
Add in date palms growing in Queensland that miraculously were there before the European settlers arrived. Sorta points to a different timeline.