Can cloud motion be known from their shadows?
A question on reading the true movement of clouds and the sun from moving shadows
Under the heading 'Of motion', Leonardo poses a single question: whether the true motion of the clouds can be known from the motion of their shadows, and the motion of the sun in the same way. The note links the movement of bodies, the shadows they cast, and the apparent course of the sun. The rest of the leaf is otherwise blank.
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Of motion: clouds, shadows, and the sun
Leonardo asks whether the real motion of the clouds can be inferred from the motion of the shadows they cast, and whether the sun's motion may be judged likewise. The heading 'De moto' frames it as a general problem of motion.