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

Ever wonder why the sky is blue, vs. say red, orange or purple? An effect called Rayleigh Scattering is part of the reason we ...

When the Sun is near the horizon, its light passes through a lot more of the atmosphere to reach the Earth's surface than ...

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

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Why is the sky blue? – Mariana A-E., age 11, ...

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 ...

On a bright, clear day, the sky stretches above us in a brilliant shade of blue. But have you ever wondered why? The answer lies in a fascinating phenomenon known as Rayleigh scattering ...

It was around 1870 when the British physicist John William Strutt, better known as Lord Rayleigh, first found an explanation ...

A blood moon occurs during a total lunar eclipse when Earth's shadow casts a reddish tint on the moon. This intriguing visual phenomenon arises due to Rayleigh scattering of sunlight. The next ...