National Aeronautics and Space Administration scientists now hope to learn more about the rock's makeup by scraping its exterior. All indications are that the tool is working, NASA said.
National Aeronautics and Space Administration scientists now hope to learn more about the rock's makeup by scraping its exterior. All indications are that the tool is working, NASA said.
现在美国宇航局科学家希望通过挖取一些火星表面的（岩石样品）来获知更多关于火星岩石的结构的信息。美国宇航局宣称，所有迹象表明（削磨）工具正在工作。