Ever wonder why the sky is blue, vs. say red, orange or purple? An effect called Rayleigh Scattering is part of the reason we see only blue, despite it all starting with a rainbow of colors.

It might seem like a simple question. But the science behind a blue sky isn't that easy. For starters, it involves something called the Rayleigh effect, or Rayleigh scattering. But that same ...

If Earth had no atmosphere like the Moon there would be no scattering, and the sky would remain black, even in daylight ...

It’s a simple question and one of the first often asked by inquisitive children: Why is the sky blue? The complex answer to this seemingly straightforward inquiry was explained by one of the most ...

Greg Foot discovers why the sky is blue. He explains that outside the Earth’s atmosphere space looks black, but from the Earth’s surface the sky looks blue. He investigates this effect by ...

But have you ever wondered why? The answer ... causes even more blue light to scatter, allowing the red and yellow hues to pass directly to your eyes. The color of the sky depends on the ...

The sky isn't just blue by chance. It takes all the colors of the rainbow for us to see it that way. It happens because of something called the Rayleigh effect, or Rayleigh scattering, named after ...