The sky is blue due to Rayleigh scattering, where blue light is scattered more than other colors by gas molecules in the sky. Leonardo da Vinci first understood and described this phenomenon in 1500. He was also an artist, inventor, and architect who was ambidextrous and described a predecessor to the helicopter.
The sky is blue because blue light is scattered much more than other colors. Sunlight with shorter wavelengths is absorbed and radiated by gas molecules in the sky. This is called “Rayleigh scattering”. Leonardo da Vinci was the first to determine that the sky is blue due to the way air scatters light. He thought the dispersion was due to water vapour. It is actually made from the molecules of oxygen and nitrogen. However, he is the first to understand and describe the phenomenon. He wrote about it in his notebook in 1500.
More information about Leonardo da Vinci:
Leonardo da Vinci was an artist, an inventor and an architect.
Leonardo da Vinci was ambidextrous, meaning he could use both hands equally well.
Leonardo da Vinci described a helicopter’s predecessor, an “aerial propeller” in the late 15th century.
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