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当地时间11月18日13点28分,美国从卡拉维纳尔空军基地发射了一枚“宇宙神”5火箭,上面搭载有“火星大气与挥发演化”(简称MAVEN)探测器。美国航宇局预计该探测器将在10个月后抵达火星,开始为期1年的探测工作。该计划耗资6710万美元,目标是研究火星稀薄的大气,以寻找火星气候变迁的动态原因,探索火星环境如何从类似地球的样子演变为今日寒冷的不毛之地。科学家们相信,火星曾经有过温暖、浓稠的大气,早期火星曾有丰富的水资源,其环境曾经能够支持大量的液态水存在。但今天我
At 13:28 on November 18 local time, the United States launched a “Cosmic God” 5 rocket from the Karavinara Air Force Base carrying the “Mars Atmosphere and Volatile Evolution” (MAVEN) detector . NASA expects the probe to arrive in Mars 10 months later, starting a one-year probe. The project, which costs $ 67.1 million, aims to study the thin atmosphere of Mars in search of the dynamic causes of climate change in Mars and to explore how the environment of the planet evolves from the Earth-like aspect to today’s cold, barren land. Scientists believe Mars once had a warm, thick atmosphere, and that Mars had abundant water resources in the early days and its environment had been able to support large amounts of liquid water. But today I am