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183 Days in the Sun

Image Credit & Copyright: José Zarcos Palma

https://apod.nasa.gov/apod/ap231222.html #APOD

#APOD
in reply to (moving) APOD

What is the form of this curve? Is that a parabola? A sine? Can someone briefly explain that?
in reply to (moving) APOD

These are nearly portions of circles in the sky, but most of the shape here is coming from the wide angle lens that lets you see from one horizon to the other

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