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 ...

Multiple Scattering Directions – Scattered blue light reaches our eyes from all directions, making the sky appear blue. Sunset and Sunrise Effect – During sunrise and sunset, sunlight passes through ...

Onlookers saw not only the full moon, but also a bright light close to its disk ... ANKARA, TURKIYE - AUGUST 31: The rare Super Blue Moon illuminates the night sky in Ankara, Turkiye ...

In Greek mythology, Aether was a god of light and the god of the Upper Sky. He had an especially prominent role in Orphic mythology.

So this is the alpine sky in a box, and Tyndall had an explanation for why this happens. He knew that white light is made of all the colours of the rainbow and he proposed that the blue light has ...

Wildfire smoke that turns the sky a hazy orange. In this case, smoke particles act as a catalyst that changes the way light scatters. That can leave us seeing less blue and more orange ...