Physics Girl - Le point subsolaire (sub-solar point)

Par Arfy, . Lien permanent Tableau blanc

Sur cette bande de la Terre, à midi "solaire", il semble ne pas y avoir d'ombre (ou si peu).
A Hawaï, quand ça arrive ça s'appelle "Lahaina Noon".

This phenomenon only happens in Hawaii . . . and Cuba & Nigeria & Indonesia & Peru & Sudan & Laos &…

no_shadows_in_these_images.jpg

D'un point de vue "position Terre-Soleil", ça donne cela:

Sub-Solar_point.jpg
et ça ne doit pas durer très longtemps (pas trouvé)

Sa position actuelle: rl.se/sub-solar-point (qui donne aussi celui de la Lune) ou en mode Globe là skymarvels.com .

La vidéo:

Crédits:

Ajoutée le 13 juil. 2017

There are apparently no shadows in these images. But they were taken during the brightest part of the day.
This episode is brought to you by Squarespace: http://www.squarespace.com/physicsgirl

There are only certain parts of the year and certain times of day when you can experience the subsolar point or Lahaina noon. There appears to be no shadow because the sun is directly overhead. This phenomenon happens twice a year for latitudes between the tropic of cancer and the tropic of capricorn at solar noon, when the sun is highest in the sky. But you have to be in the right place at the right time with no clouds! The photos and clips in this video were taken by my mom, Cathy, and friend Noel Liddell in Wailua, Po’ipu and Lawai, HI on July 11th (one day before exact Lahaina noon) and July 12th. 

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Creator: Dianna Cowern
Animations: Kyle Norby
Editing: Jabril Ashe and Dianna

Thanks to my dad and Alex from O’ahu who inspired this video!

Music: APM and YouTube
“On the Bach”

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