标签： 历史使命

NASA·每日一图

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水手10号：第一个使用星际重力辅助的任务

This artists’ impression is of the Mariner 10 mission. Mariner 10, which launched on Nov. 3, 1972, was the first mission to perform an interplanetary gravity assist, using a flyby of the planet Venus to alter its path to meet Mercury. This allowed the spacecraft to meet Mercury on three occasions in 1974 and 1975. 这幅艺术家画的是水手10号的任务。水手10号于1972年11月3日发射升空，...

NASA·每日一图

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富兰克林·昌·迪亚兹（Franklin Chang-Diaz）在STS-111任务中执行太空行走

In this image from June 2002, astronaut Franklin R. Chang-Diaz works with a grapple fixture during a spacewalk on the STS-111 mission to perform work on the International Space Station. The first spacewalk of the mission began with the installation of a power and data grapple fixture (PDGF) for the station’s robotic arm on the complex’s P6 truss....