The library of Eratosthenes

The most recent articles


The most recent articles


Xewkija

Wednesday 8 October 2008 by perbosc
Xewkija MALTA latitude: 36° 02′ N longitude: 14° 15′ E date : 22/09/2008 gnomon : 100cm shadow : 73cm angle = 36° Distance lafrancaise xewkija 900km circumference : 900 x 360 / ( 44-36) = 900 x360 / 8 = 40500 km Distance cluj-napoca xewkija 1196km circumference : 1196 x 360 / ( 46,42-36) (...)
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Pujato

Wednesday 8 October 2008 by perbosc
Aquí le los detalles de dos mediciones realizadas el 22 de septiembre en Pujato (Argentina) con alumnos de la Escuela Primaria Nº 1345 "Nuestra Señora del Carmen" y tres fotos de los alumnos trabajando y midiendo. 11:45 pm (hora local) 14:45 (hora universal) sombra hacia el sur, ángulo de (...)
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Panamá Chitré

Wednesday 8 October 2008 by perbosc
PROYECTO ERATÓSTENES 2008 Registro Solar y Medida de la Sombra Escuela Hipólito Pérez Tello Chitré (80°25’ W - 07°58’ N ) – Panamá Fecha: Lunes, 22 de septiembre de 2008 Profesora: Verónica Castro Participantes 4to grado (9 – 10 años) 5to grado (10 – 11 años) 6to grado (11 – 12 años) 1. Cristhian (...)
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Meerut

Wednesday 8 October 2008 by perbosc
Meerut UP India 77°42’ E 29°00’ N Date : 22/09/2008 Angle : 28°30’
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Lafrançaise

Wednesday 8 October 2008 by perbosc
Date : 22/09/2008 Solar noon 1:48 pm France Gnomon : 100cm Shadow : 96.5cm Angle : 44° Date : 23/09/2008 Solar noon 1:48 pm France Gnomon : 100cm Shadow : 97.5cm Angle : 44°30’
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Delhi

Wednesday 8 October 2008 by perbosc
New Delhi INDIA Rukmini Devi Public School 28.38 N 77.12 E 22 September2008 Metal Rod , gnomon : 19.7 cm shadow : 10.7 cm angle : 28.5° We are grade 8 students from Rukmini Devi Public School, located in the capital city-Delhi of India (Latitude: 28.38° N and Longitude: 77.12° (...)
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Cluj Napoca

Wednesday 8 October 2008 by perbosc
CLUJ NAPOCA ROMANIA latitude 46°46’ Gnomon : 100cm 23 .09.2008 Gnomon : 100cm Angle : 47 10’ = 47,1667 Hour : 13h 15 min Shadow : 107,5 cm 22.09.2008 Gnomon : 100cm Angle : 46 25’ = 46,4167 Hour : 13h 20min Shadow : (...)
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Caluire

Wednesday 8 October 2008 by perbosc
Caluire , Collège Charles Sénard, France 04°51’ E 45°48’ N date : 22/09/2008 gnomon : 100cm shadow : 102cm angle : 45°30’
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Caluire

Wednesday 8 October 2008 by perbosc
Caluire , Collège Charles Sénard, France 04°51’ E 45°48’ N date : 22/09/2008 gnomon : 100cm shadow : 102cm angle : 45°30’
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Beloeil

Wednesday 8 October 2008 by perbosc
Beloeil Canada Ecole le Tournesol (72°48’ W - 45°35’ N) date : 22/09/2008 gnomon : 15cm shadow : 16,5cm angle : 47°43’=47,72° http://tournesol.csp.qc.ca/Sites_classes/gisele/index.htm Chitré Panamá Escuela Hipólito Pérez Tello (80°25’ W - 07°58’ N) date : 22/09/2008 angle : 08°20’=8,33° (...)
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