The library of Eratosthenes

The most recent articles


The most recent articles


Ujjain

Monday 28 July 2008 by perbosc
Overview of the Ujjain Observatory taken from the east quadrant of the Samrat yantra.
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Varanasi

Monday 28 July 2008 by perbosc
Overview of the Varanasi Observatory taken from the gnomon of the Samrat yantra.
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Jaipur

Monday 28 July 2008 by perbosc
Between 1727 and 1734 Maharajah Jai Singh II of Jaipur constructed five astronomical observatories in west central India. The observatories, or "Jantar Mantars" as they are commonly known, incorporate multiple buildings of unique form, each with a specialized function for astronomical (...)
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Delhi

Monday 28 July 2008 by perbosc
shift ... ctrl ... use the mouse Overview of the Delhi Observatory taken from the gnomon of the Samrat yantra.
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videoconference

Wednesday 9 July 2008 by perbosc
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screenshots

Wednesday 9 July 2008 by perbosc
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The schools

Wednesday 9 July 2008 by perbosc
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Measurements

Monday 9 June 2008 by perbosc
7 schools participated to this experiment. External link: 9 june 2008 Eratosthenes google map VIETNAM, Pleiku City HCM city Amateur Astronomy Club Latitude: 13°59’ Longtitude:108° gnomon :126 cm shadow:23 cm angle: 10.3 INDIA, Allahabad National academy of science (...)
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circumference of the Earth

Monday 9 June 2008 by perbosc
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Sun shedow in sriska, Rajasthan

Article 1

this experiment was for to find the sun position from the north
Monday 19 May 2008 by perbosc
Text in english On 24 th of aprill 09 we had planed to make movie by clip. and measure the sun shedow. in sriska we was 10 science teacher to taking traing for space nodel centre. there was three days programme. and stay in tiger den near the birld century of sriska. it was a good place for (...)
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