ERATOSTHEN PROJECT - 21.03.2014
Measurements Results
Country: Bulgaria
School: PG po KTS
City: Pravets
Latitude: 42.883° N
Longitude: 23.917°W
Pole's Height (m): 0,305
Shadow Length (m): 0,26
Angle at Top: tga=0,85245, arctga=40,4459°
Shadow Direction: N
Date-Time: 21 March 2014 12h00 UT
Earth's Perimeter (km): 40005,18
Earth's Radius (km): 6370,25
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Note: 1º = 40007.86km/360º=111.1329444 km
Разлика в геогр. ширини: 2,8586 km
Разлика в положението: 359.64km
D=359.64.360/2,8586 = 45291,54км
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