Dating aross cultures

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Stars are learned by compass point, making a star compass (star compasses list ~150 stars, in some systems The Polynesians also took measurements of stellar elevation to determine their latitude.The latitudes of specific islands were also known, and the technique of "sailing down the latitude" was used.

Within a mere three or four centuries between about 1300 and 900 BC, the Lapita culture spread 6000 km further to the east from the Bismarck Archipelago, until it reached as far as Tonga and Samoa.When they arrived in the vicinity of a chain of islands they were unfamiliar with, they may have been able to transfer their experience and deduce that they were nearing a group of islands.Once they had arrived fairly close to a destination island, they would have been able to pinpoint its location by sightings of land-based birds, certain cloud formations, as well as the reflections shallow water made on the undersides of clouds.as tribes whose natives were thought to have previously arrived from mainland South China about 8000 years ago – into the edges of western Micronesia and on into Melanesia.In the archaeological record there are well-defined traces of this expansion which allow the path it took to be followed and dated with a degree of certainty.

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