Image: Deimos before dawn

NASA’s Perseverance rover captured this view of Deimos, the smaller of Mars’s two moons, shining in the sky at 4:27 a.m. local time on March 1, 2025, the 1,433rd Martian day (sol) of the mission. In the dark before dawn, the rover’s left navigation camera used its maximum long-exposure time of 3.28 seconds for each of 16 individual shots, all of which were combined onboard the camera into a single image that was later sent to Earth. In total, the image represents an exposure time of about 52 seconds.