Estimating The Amount of Day

Описание к видео Estimating The Amount of Day

Given all this talk of a 24hr Sun in Antarctica, I asked myself how the amount of day can be estimated for different places around the world, that's from sunrise to sunset.

It took me a while to figure out how to visualise this but I arrived at a solution in the end.

Sun Semidiameter 16 minutes of arc
Atmospheric Refraction 34 minutes of arc at Horizon

Chapters:
0:00 Settings
0:27 On Screen
1:49 The problem
2:19 Using the Angle
2:57 50 arcminutes
3:28 Santiago
4:26 New Delhi
5:46 St. John's
7:37 GeoGebra
11:20 More Examples

GeoGebra:
🔗 https://www.geogebra.org/m/mkpahhx9

#geometry #subtitles #geogebra

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