关于这张图
NASA's Curiosity Mars rover used its left Mast Camera, or Mastcam, to capture these drifting noctilucent, or twilight, clouds on Jan. 17, 2025, the 4,426th Martian day, or sol, of the mission. The left Mastcam has a stuck color filter wheel, which is why part of the imagery appears cut off in three corners. The original recording taken by Curiosity was 16 minutes; this video has been speeded up by about 480 times (and it loops four times). The clouds at the top of the frame, including the falling white plumes, are made of carbon dioxide ice. The plumes are an estimated 37 to 50 miles (60 to …