While Roger D. Launius' op-ed piece "Rationales for Human Spaceflight after the Shuttle" [Feb. 11, Commentary, page 19] tries to stay above the fray, he repeats some accepted "wisdom" that is highly questionable. He states that, among other rationales, scientific discovery and understanding "have been accomplished with lesser cost and arguably greater efficiency using robotic spacecraft, thank you very much."
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机译：而罗杰·D·劳尼乌斯（Roger D. Launius）的专栏文章“航天飞机之后的人类航天飞行理性” 11，评论，第19页]试图保持竞争优势，他重复了一些令人质疑的公认“智慧”。他指出，除其他理由外，科学发现和理解“使用机器人航天器以更低的成本和更高的效率实现了，非常感谢。”
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