The library of Eratosthenes


Wednesday 24 September 2008 by perbosc

AUSTRALIA, Adelaide, Sowerbutts Home School 16 June 2008
latitude: 34° 52’ S
longitude: 138° 40’ E

Here is our measurement for the 16th of June

Local noon 12:16 pm
Length of Shadow 1.69 m
Length of gnomon 1.00 m
Sun Angle 59 degrees

This gives a circumference of 39500 kms when partnered with the Tropic of Cancer.(assuming Sun Angle there is zero around this time of the year)

The boys have finished with this project as far as writing reports but are happy to send you measurements.


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