Do you love the color of the (Martian) sky?⁣ ⁣ This Martian sunset, captured by our Curiosity rover, looks quite different from a sunset on Earth. Namely, the color — it’s dark blue, not the familiar pink and orange hue we know from sunsets on our planet.⁣ ⁣ Dust particles in the Martian atmosphere are responsible for this moody blue. The Sun’s light contains a mix of color, and energetic blue light has an easier time getting straight through the dust than other colors like red and yellow. So, the blue light coming into the Sun’s part of the Martian sky stays closer to the Sun than the other colors in the Sun’s mixed rays, which scatter further away from it. This effect is easiest to see at sunset, because the Sun’s rays have further to travel through the Martian atmosphere.⁣ ⁣ Molecules in Earth's atmosphere scatter blue light more than other colors like red and yellow, resulting in the peachy sunsets we know so well from our home planet.⁣ ⁣ This image was taken by our Curiosity r...