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Arras (FRANCE)

2005 by astro.perbosc

school : Ecole Lafontaine
city : Arras
country : France
address : rue Lafontaine
postal code : 62000
latitude : 50°17’ N = 50.283°
longitude : 02°44 ’ E = 2.733°
year : 2005

May 9 , 2005

  • Lafrançaise
    solar noon =13:52 ; gnomon =1 m ; shadow =50 cm ; angle =26.565°
  • Arras
    solar noon =13:46 ; gnomon =1 m ; shadow =63.5 cm ; angle = 32.416°

  • distance between the parallels = Arras-Lafrançaise = 683 km
  • difference between the angles = 32.416°- 26.565° = 5.856°
  • circumference of the Earth = 683 x 360 / 5.856 = 41989 km

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