The library of Eratosthenes

Vastseliina

Monday 24 March 2008 by perbosc


Vastseliina Boarding School, Estonia
Latitude 57° 44’ 41’’ N
Longitude 27° 15’ 57’’ E
March 24, 2008

 Introduction

Hallo! We are from Vastseliina Boarding School. Our pupils are very talkative, adventurous and lively. We have difficulties in concentrating and we need all the time new and new activities.
We live in Estonia. Estonia is situated in Northern Europe, on the coast of the Baltic Sea, neighboring Finland, Sweden, Latvia and Russia. It is a country with 1.4 million people.

 Interesting facts about Estonia

- Estonia’s area of 45 227 km2 is similar to that of the Netherlands, but the population (1.4 million) is ten times smaller.
- The length of the longest day in summer is over 19 hours, while the shortest winter day lasts only six hours. It is not completely dark at night from the beginning of May until the end of July.
- Estonia has more than 1 500 islands, 1 000 lakes (5 per cent of the Estonian territory), 7 000 rivers and streams. Bogs and wooded swamplands of different types cover over one fifth of the country.
- Estonia is a sea country.
- Estonia is very rich in forests - various kinds of forests cover almost half of Estonia’s territory. Elk, wild boar, bear and lynx are amongst Estonia’s common large mammals. About 10 per cent of Estonia is a nature reserve.
- The average temperature of the coldest month, February, is –3.5° to – 7 °C and may sink to -20°C, that of the warmest, July, being 16° to 20°C and may rise to +30°C.

 Edgar’s team

- Height of the gnomon 100 cm
- Lenght of the shadow 149 cm
- Angle of the sun 56°7’ = 56,133°

First partner located on the equator
- Latitude 00° 00’ 00’’
- Angle of the sun 0°
- Distance to equator 6416 km
- Circumference : 6416 km * 360° / (56.133° - 0°) = 41148 km

Second partner Osnovna škola located in Serbia.
- Latitude 43° 37’ 41’’
- Height of the gnomon 100 cm
- Lenght of the shadow 87.1 cm
- Angle of the sun 41°3’ = 41.056°
- Distance to Osnovna škola 14.1167° x 111.111 km = 1569 km
- Circumference : 1569 km * 360° / (56.133° - 41.056°) = 37416 km

 Carmen’s team

- Height of the gnomon 100 cm
- Lenght of the shadow 153 cm
- Angle of the sun 56°49’ = 56.832°

First partner located on the equator
- Latitude 00° 00’ 00’’
- Angle of the sun 0°
- Distance to equator 6416 km
- Circumference : 6416 km * 360° / (56.832° - 0°) = 40629 km

Second partner Xiamen International located in China
- Latitude 24° 27’ 00’’
- Height of the gnomon 100 cm
- Lenght of the shadow 39.75 cm
- Angle of the sun 21°40’ = 21.678°
- Distance to Xiamen International 33.2947° x 111.111 km = 3699 km
- Circumference : 3699 km * 360° / (56.832° ° - 21.678°) = 37880 km

Third partner Ecole Lafontaine located in France
- Latitude 50° 17’ 00’’
- Height of the gnomon 100 cm
- Lenght of the shadow 120 cm
- Angle of the sun 50°11’ = 50.194°
- Distance to Ecole Lafontaine 7.4614° x 111.111 km = 829 km
- Circumference : 829 km * 360° / (56,832°° - 50.194°) = 44959 km

 Kerli’s team

- Height of the gnomon 241,5 cm
- Lenght of the shadow 348 cm
- Angle of the sun 55°14’ = 55.241°

First partner located on the equator
- Latitude 00° 00’ 00’’
- Angle of the sun 0°
- Distance to equator 6416 km
- Circumference : 6416 * 360 / (55.241-0) = 41812 km


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