DENVER (KDVR) — When the sun sets, sometimes there are pink and purple colors across the skyline, while other times, the sky stays blue before it fades into nighttime. The sunset won’t always ...

Noctilucent clouds, Earth's highest clouds, shine blue in the twilight sky from late May to August in the northern hemisphere ...

and pink at sunset. Crucially, you need some cloud to see this. The science is the same, with short-wavelength blue and violet light scattered by molecules in the atmosphere while longer ...

It's a sunset ... the clouds of fine dust floating through the air, it also breaks into different colors. Martian dust is exactly the right size to absorb the blue wavelengths of light and ...

YESTERDAY evening a most extraordinary sunset ... the deep blue sky. As darkness came on, the pink glow seemed to increase in brightness, and at five o'clock cast a fine weird light over the ...

To understand why the sky is sometimes purple, it's helpful to first understand how light ... cloud (due to the low angle of the sun's rays), and these pink clouds superimposed on a dark blue ...

However, if a storm happens near sunrise or sunset, then the clouds may appear pink or orange ... "This means even more blue light is scattered away than normal. With all the blue (short ...

North Yorkshire Lenticular clouds stood out against the pink sunset in Hawes, North Yorkshire The formations helped to provide a dramatic dusk in Darlington Weather Watcher Bex spotted them in the ...