NASA’s Mars Exploration Rover Spirit captured this stunning view of the Sun sinking below the rim of Gusev crater on Mars. This Panoramic Camera (Pancam) mosaic was taken around 6:07 in the evening of the rover’s 489th Martian day, or sol. Because Mars is farther from the Sun than the Earth is, the Sun appears only about two-thirds the size that it appears in a sunset seen from the Earth. The floor of Gusev crater is visible in the distance, and the Sun is setting behind.
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Photo Credit: Imgur via NASA