好奇号拍摄的火星全景

2020 March 6

Mars Panorama from Curiosity
Image Credit: NASA, JPL-Caltech, MSSS

Explanation: The Mars Rover named Curiosity recorded high-resolution, 360 degree views of its location on Mars late last year. The panoramic scene was stitched from over 1,000 images from Curiosity’s Mast camera or Mastcam. In this version, captured with Mastcam’s medium angle lens, the rover’s deck and robotic arm are in the foreground, stretched and distorted by the extreme wide perspective. Just beyond the rover are regions of clay rich rock, evidence for an ancient watery environment, with a clear view toward more distant martian ridges and buttes. Gale crater wall runs across the center (toward the north) in the background over 30 kilometers in the distance. The upper reaches of Mt. Sharp are at the far right. Images to construct the panorama were recorded over 4 consecutive sols between local noon and 2pm to provide consistent lighting. Zoom in to the panoramic scene and you can easily spot the shadow casting sundial mounted on rover’s deck (right). In July NASA plans to launch a new rover to Mars named Perseverance.

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Tomorrow’s picture: under the stars

好奇号拍摄的火星全景
影像来源：NASA，JPL-Caltech，MSSS

说明：好奇号火星车去年底记录了它所在位置的高分辨率360°影像。这幅全景图是由好奇号的桅杆摄像机拍摄的1000多幅照片拼接而成。在这版照片中，前景是通过桅杆相机的中角度镜头拍摄的火星车的平台与机械臂，由于极宽视角的投影而被拉伸变形。火星车的前方是富含粘土的岩石区域，这是存在古老的有水环境的证据，更远处可以清楚地看到火星上的山脊和高地。中心地平线处（向北）是30千米外的Gale环形山壁。最右侧是Sharp山的顶部。用来构建全景图的照片是在4个连续的火星日的每日正午到下午2时之间拍摄的，以保证照明光线的一致。将照片放大后你很容易就能找到安装于火星车平台上（右侧）的日晷所投下的影子。今年7月NASA计划发射一架新的探测器前往火星，这个火星车被命名为“毅力”号(Perseverance)。

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明日一图预告：under the stars