Eratosthenes

Aberdeen, Scotland-UK

September 2011

Aberdeen Scotland-UK Comenius meeting 50°09’N 02°07’W
Date Gnomon Shadow Angle
September 20th 600 cm 930 cm 57°10’ = 57.171°

We took this measure in Aberdeen park, just after solar noon, and the result is not very precise.
Teachers could meet together for a Comenius visit.
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Escuela Calle Wheelwright
Longitude 60°39′W
Latitude 32°56’S = -32,9333°
Angle -31°35’ = -31.592°
Aberdeen Scotland-UK
School Comenius meeting
Longitude 02°07’W
Latitude 50°09’N = +50,15°
Angle 57°10’ = 57.171°
  • Différence de latitude : 50,15 -(-32,93) = 83,08 degrés
  • Distance entre les deux villes : 83,08 X 111,11 km = 9231 km
  • Différence entre les angles du soleil: 57,2-(-31,6) = 88,8°
  • Circonférence 9231 X 360 / 88,8 = 37 423 km

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