🔵Blue Sunset in Mars' Gale
Crater
NASA’s Curiosity rover captured a remarkable sunset from Gale Crater on Mars. Unlike sunsets on Earth, the sky around the setting Sun appears blue.
The reason is Martian dust. Fine particles in Mars’ thin atmosphere scatter sunlight differently, allowing blue light to remain concentrated around the Sun while warmer colors spread more widely across the sky.
A sunset on the Red Planet — glowing blue. 🔵🌅

Credit: NASA/JPL