Скачать или смотреть "Mars' Sky Colors: The Fascinating Reversal of Earth"

The sky on Mars appears reddish during the day, while its sunsets are often bluish. This striking phenomenon is due to the unique composition of the Martian atmosphere and the way sunlight interacts with it. The reddish daytime sky is caused by fine dust particles rich in iron oxide (rust) that are suspended in the thin atmosphere, scattering sunlight and emphasizing longer wavelengths like red and orange. In contrast, during sunset, sunlight travels through a longer atmospheric path, scattering shorter wavelengths of light, such as blue, more effectively. The fine Martian dust allows blue light to penetrate and scatter near the Sun, creating a bluish glow around the setting Sun. This is the opposite of what happens on Earth, where the sky appears blue during the day and sunsets are red due to Rayleigh scattering in our denser atmosphere. On Mars, the interplay between its thin atmosphere and iron-rich dust creates this fascinating reversal.