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The shadow of the plane

The shadow of the plane

Today the shadow of a plane that was about to land has passed over me. Coincidentally, later I took that same plane and I could see its shadow at high altitude.

Which one was older?, The shadow of the plane near the ground or the shadow of the plane at high altitude?

Solution

Both will be approximately the same size. The shadow fades with the height of the plane but maintains the same size.