Have you ever looked up at the sky and wondered why it’s blue during the day, but glows orange or red during a sunset? It’s one of those everyday wonders we often take for granted. The answer ...

Sunsets on Mars are blue. That's because the Red Planet has a reddish sky during the day. Again the color is connected to the scattering of light by particles, according to NASA Science .

Nature - Height of the Atmosphere Determined from the Time of Disappearance of Blue Colour of the Sky after Sunset Skip to main content Thank you for visiting nature.com.