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Eratosthenes 2023

الصفحات

Solar noon

Created by Eric VAYSSIE
Last updated by Eric VAYSSIE 1 year 8 months ago

All the measures must be synchronized at local solar noon

Toutes les mesures doivent être synchronisées au midi solaire local.

Aim:  Identify the shortest shadow and its direction towards the north (northern hemisphere)  

Observation   Record the position of the shadow during the day  

Production  Gif animated, slideshow or timelapse video

Productions from previous years

Objectif:  Identifier l'ombre la plus courte et sa direction vers le nord (hémisphère nord) 

Observation  Enregistrer la position de l'ombre pendant la journée 

Production  Gif animé, diaporama ou vidéo image par image (timelapse)

Productions des années précédentes

It is interesting to locate solar noon on the day of the equinox, because the end of the shadow traces a straight line during this day.

Aigio - Solar noon 20/3/23 

Identification of the solar noon time: time when the shadow is the shortest. Students added dots at the end of the shadow during lesson breaks. We measured the length of the shadows and saw its shortest value.

 

Vigo Spain. Solar noon and equinox line (march 2023)

 

Aydin Turkey. Solar noon and equinox line (march 2023)

 

Guarne Colombia. Solar noon and equinox line (march 2023)

 

Bogazliyan Turkey

bogazliyan_solar_noon.jpg

 

Busteni Romania

via GIPHY