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 was Smoluchowski’s subsequent work on the refraction of light in gases, which he worked on between 1907 and 1911, that also would help to explain why the sky looks blue. A theory for the blue ...

But have you ever wondered why? The answer lies in a fascinating ... have little effect on sky color but play a crucial role in shaping the planet’s climate. As the Sun moves lower in the ...

Greg Foot discovers why the sky is blue. He explains that outside ... a height of twenty thousand metres, filming as the colour changes from blue to black. The balloon also collects data ...

Traditionally, blue is associated with masculinity and pink is associated with femininity. Blue may represent boyhood or be ...