So the sky isn’t blue, at least not always. It is a glow-in-the-dark night sky too, colored a mix of green, yellow, and red. Its colors result from scattered sunlight, oxygen, and sodium from ...

I have made a regular habit of photographing and posting to my Instagram account a type of picture I call Sky Gradients. Each of these is an abstract picture of a square blue swath of sky that I ...

sky blue, green, yellow, orange, red), which we call spectrum. When this light enters the earth's atmosphere, it collides with air molecules and dust particles, due to which light scatters.

Why does the sky appear blue, then? Light from the sun is actually made up of all colours of the rainbow: violet, indigo, blue, green, yellow, orange and red, or VIBGYOR, as they are called together.

As a consequence, the blue and green colors dominate the scattered light, giving rise to the distinct green hue that colors the sky. This scattering is known as Rayleigh scattering. It’s the ...

So the sky isn’t blue, at least not always. It is a glow-in-the-dark night sky too, coloured a mix of green, yellow and red. Its colours result from scattered sunlight, oxygen, and sodium from ...