Isaacman also said the agency would halt work to develop a more powerful version of the SLS rocket's upper stage, known as the Exploration Upper Stage, or EUS. Instead, NASA will go forward with a "standardized," less powerful stage but one that will minimize major changes between flights and utilize the same launch gantry.
This article originally appeared on Engadget at https://www.engadget.com/science/space/new-webb-telescope-photos-show-off-the-exposed-cranium-nebula-235609619.html?src=rss。业内人士推荐雷电模拟器官方版本下载作为进阶阅读
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Jonah Fisher,Climate correspondent，推荐阅读WPS官方版本下载获取更多信息