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在人类开始仰望星空之前,沧海桑田,星空就是那个星空。但当人类有能力把探索的触角伸出地球后,寂静的星空开始变得喧闹起来。最近数十年,人类除了发射各类空间望远镜窥探宇宙深处之外,还不断发射各类探测器,对太阳系内的行星、矮行星、小行星和其他天体开展探测工作。这些工作不仅使我们对太阳系有了更加全面的了解,也逐步为我们揭开了太阳系的起源和演化之谜。美国东部时间2017年9月15日7∶55(北京时间9月15日19∶55),美国国家航
In the human beings began to look forward to the sky, sea and sky, the sky is the sky. But when human beings have the ability to extend the tentacles of exploration beyond the earth, the quiet sky begins to grow up noisy. In recent decades, in addition to launching various types of space telescopes to see the depths of the universe, various types of spacecraft have been continuously launched to probe the planets, dwarf planets, asteroids and other celestial bodies in the solar system. These efforts not only give us a more comprehensive understanding of the solar system, but also gradually reveal the mystery of the origins and evolution of the solar system. US Eastern Time at 9:17 pm on September 15, 2017 (Beijing time at 19:55 on September 15), the United States National Air