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Along the Path of Eratosthenes
21 -June 2021
Maison de Jeunes Ahmed Saadi, Filali Constantine - Algeria
Contribution from the DJS, the Research Unit on Scientific Mediation (CERIST) and the Science Club (El-Khroub) |

The original method used by Etrathostenes |
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The Event was also held in coordination with the
FESTIVAL DU SOLEIL - JOURNEES PIERRE BOURGE 2021
Preliminary Results for the Earth Circumference
Sirius: Average value from 10 groups: 39,900km
(True polar value for the Earth as an oblate spheroid: 40,008 km)
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The Pictures from Constantine
from Médéa
... and from Alexandria, Egypt
Video clips
From Médéa
... and from Alexandria, Egypt
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At Bibliotheca Alexandrina at Alexandria, Egypt, Dr. Omar Fikri, head of the Planetarium section there organized, as every year, a well-attended public event. He reported the following: More than 150 students attended the program, along with some of their parents. The program included a scientific play, an interactive scientific presentation, and a scientific lecture on the experiment and how to measure the Earth diameter. A group of students from Aswan participated with the students of the Bibliotheca Alexandrina in the location of the well on which Eratosthenes relied in the idea of the experiment. |
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Presenting the results... |

In the background the Planetarium and beyond is the Meditteranean sea |

Dr. Omar Fikri, the head of the Planetarium section, lecturing ... |

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