Arras, France
November 2007
Flag | City | Country | School | Latitude (°) +N/-S | Longitude (°) +E/-W |
---|---|---|---|---|---|
Arras | France | Ecole Lafontaine | 50.283 | 2.733 |
Date | Gnomon | Shadow | Angle |
---|---|---|---|
November 30 | 100 cm | 300 cm | 71°33’ = 71.565° |
30 november 2007
date | city | lat. (°’) | lat.(dec) | gnomon | shadow | angle (°’) | angle (dec) |
30 nov | Arras | +50°17’ | +50,28° | 100 cm | 300 cm | +71°54’ | +71,89° |
30 nov | Lafranç. | +44°08’ | +44,13° | 100 cm | 224 cm | +65°56’ | +65,94° |
1 dec | Palma | +39°33’ | +39,57° | 100 cm | 185 cm | +61°36’ | +61,61° |
Lafrançaise-Arras
Angle difference | 71,89-65,94 = 5,95° |
Distance | 684 km |
Circumference of the Earth | 684x360/5,95 = 41385km |
Palma-Arras
Angle difference | 71,89-61,61 = 10,28° |
Distance | 1195 km |
Circumference of the Earth | 1195x360/10,28 = 41848km |
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