blue

Why is the Sky Blue?

As sunlight passes through Earth’s atmosphere, molecules of nitrogen and oxygen scatter shorter blue wavelengths more strongly than other colors – an effect known as Rayleigh scattering. Longer wavelengths like yellow, red and orange pass unimpeded through the atmosphere – so why is the sky light blue? Unfortunately, the answer lies somewhere within. The Sun’s

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Why is the Sky Blue?

Viewed from above sea level, the sky takes on an even darker blue color as more blue wavelengths get scattered through the atmosphere than other hues. Rayleigh scattering, which affects all gases smaller than light wavelengths, plays a part. Light Wavelengths Sunlight contains all of the colors of the rainbow – including blue – which

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Why is the Sky Blue?

Why the sky is blue is one of the great perennial questions posed by children aged five or under, never ceasing to fascinate. Sunlight is composed of all wavelengths evenly, but on its path towards Earth’s atmosphere it becomes scattered, with blue wavelengths being dispersed more readily than other ones. Sunlight On a sunny day,

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