保护地球，探索宇宙，发现文明
This image taken by the Mars Reconnaissance Orbiter spacecraft’s HIRISE instrument on Oct. 23, 2022, of the northern plains of Arabia Terra shows craters that contain curious deposits with mysterious shapes and distribution. For instance, the deposits are located on the south sides of the craters, but not usually in the north, and are found only in craters l...
Though Mars is the Red Planet, false-color images can help us learn about its weather and geology. This image shows a variety of wind-related features on the Red Planet near the center of Gamboa Crater. Larger sand dunes form sinuous crests and individual domes. There are tiny ripples on the tops of the dunes, only several feet from crest-to-crest. These mer...
在这张NASA洞察号着陆器位于火星表面的示意图中，可以看到下方的火星地下结构层次，背景中则可以看到可怕的沙尘。 图片来源：巴黎地球物理研究所/尼古拉斯·萨特（Nicolas Sarter） 热探针始终无法获得挖掘所需的摩擦力，而该任务也已获得进一步指示，可以继续进行其他的科学工作了。 由德国航空航天中心（German Aerospace Center，DLR）开发和制造，美国航空航天局（NASA）洞察号（InSight）着陆器所部署在火星上的热探针，已经结束了它的相关任务。自2019年2月28日以来，这一名为“鼹鼠”（mole）的热探测器就一直在尝试深入火星表面之下，希望能测得火星的内部温度，为我们带来火星内部热源的详细信息，解释火星演化和地质改变的原因。但是火星土壤出乎意料的结块趋势，让长钉状的“鼹鼠”失去了...