Eratosthenes Experiment Report: Viborg Katedralskole

From: bg_at_vibkat.dk
Date: Sun Sep 25 2005 - 11:53:21 PDT

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Experiment Report for the Eratosthenes Project on http://youth.net/

School Name:     Viborg Katedralskole
School Location: Viborg, Denmark

Email Address:   bg_at_vibkat.dk
Experimenter:    Line, Mads, Marianne, Niclas, John

Latitude         56.433N
Longitude:       9.400E
Distance to Equator: 6282 km

Measured shadow angle in degrees: 55,9
Calculated Earth circumference:   40486 km

Comments:
We made our observation on September the 21. If we had been able to do the experiment on equinox 1.5 days later, the shadow angle would have been a little bit bigger and hence the calculated Earth circumference would have been a little bit smaller. 

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