Eratosthenes

Arras, France

June 2007

Flag City Country School Latitude (°) +N/-S Longitude (°) +E/-W
Arras France Ecole Lafontaine 50.283 2.733
Date Gnomon Shadow Angle
June 18 100 cm 50 cm 26°33’ = 26.565°
June 20 100 cm 50.5 cm 26°47’ = 26.794°

2007/06/18

Distance Arras - tropic of Cancer : 2981km
Angle : 26°33’= 26+33/60 = 26,55°

Circumference of the Earth = 2981 x 360 / 26,55 =40 420 km

2007/06/20


2007/06/21

The day of the videoconference with the Alexandria Library


Home page | Contact | Site Map | | Statistics | visits: 179310

Site created with SPIP 2.1.10 + AHUNTSIC