File:Posidonius earth circumference.svg

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Afrikaans: Na die voorbeeld van Eratosthenes, het Poseidonios die aardomtrek bepaal met die hoogte van die ster Canopus, , as verwysingspunt, wat vanaf Rhodosstad, , gesien, kwalik bo die horison styg, maar te Alexandrië, , tot bo die horison styg. Met sy kennis van die booglengte , kon die aardomtrek bereken word.
English: Following works by en:Eratosthenes, en:Posidonius measured the Earth's circumference by reference to the position of the star en:Canopus , which touches horizon at Rhodes , but at Alexandria ascends as far as above the horizon. Using his assessment of lateral arc length he could calculate the Earth's circumference.
Source Own work, incorporating parts of File:Canopus.jpg (p.d.), File:Eratosthenes.svg (own work).
Author Erzbischof


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current19:26, 25 September 2010Thumbnail for version as of 19:26, 25 September 2010316 × 342 (129 KB)Imalipusram (talk | contribs)Gradient
19:23, 25 September 2010Thumbnail for version as of 19:23, 25 September 2010316 × 342 (50 KB)Imalipusram (talk | contribs)Fix
17:55, 24 September 2010Thumbnail for version as of 17:55, 24 September 2010316 × 342 (128 KB)Erzbischof (talk | contribs)Reverted to version as of 17:24, 24 September 2010 corrupt svg
17:42, 24 September 2010Thumbnail for version as of 17:42, 24 September 2010316 × 342 (250 KB)Erzbischof (talk | contribs)uninclude
17:24, 24 September 2010Thumbnail for version as of 17:24, 24 September 2010316 × 342 (128 KB)Erzbischof (talk | contribs){{Information |Description={{en|1=File:Canopus.jpg, File:Eratosthenes.svg}} |Source={{own}} |Author=Erzbischof |Date=2010-09-24 |Permission= |other_versions= }} Category:Posidonius
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