I sometimes recommend articles / information from other people, it doesn't have to be that I always agree with all that person's points of view. (research everything self)

see also:How the sun and moon work over the Flat Earth model.

How can the sun illuminate the bottom of the clouds ? (and how can the bottom of a building disappear from a great distance?)

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Click on the "Play" button and if there is top left "Buffering.." shown: just have patience..