NASA 气球破裂

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图片来源:NASA

在周日早上从澳大利亚爱丽丝泉的发射场进行期待已久的起飞后仅几个小时,NASA 的南瓜形超长持续时间气球 (ULDB) 就回到了地面。这个巨大的气球(右图)本应在两周内环绕地球飞行,在地球表面上方约 22 英里的高度,大致沿着摩羯座热带线收集宇宙辐射数据。但在大约 85,000 英尺的高度,它发生泄漏,迫使科学家引导气球及其 4,500 磅重的有效载荷返回地面。

泄漏原因仍在调查中,但据 NASA 官员称,有效载荷垂直着陆,似乎状况良好。“一个团队正在审查飞行数据并检查回收的气球。预计在本周末之前会就 NASA 在爱丽丝泉可用的备用气球的可能飞行提出建议,”NASA 气球项目办公室主任史蒂夫·史密斯 (Steve Smith) 说。“我们对 ULDB 概念以及为科学家提供研究地球和太空的新手段充满信心。”

Kate Wong is an award-winning science writer and senior editor at 大众科学 focused on evolution, ecology, anthropology, archaeology, paleontology and animal behavior. She is fascinated by human origins, which she has covered for more than 25 years. Recently she has become obsessed with birds. Her reporting has taken her to caves in France and Croatia that Neandertals once called home, to the shores of Kenya's Lake Turkana in search of the oldest stone tools in the world, to Madagascar on an expedition to unearth ancient mammals and dinosaurs, to the icy waters of Antarctica, where humpback whales feast on krill, and on a "Big Day" race around the state of Connecticut to find as many bird species as possible in 24 hours. Kate is co-author, with Donald Johanson, of Lucy's Legacy: The Quest for Human Origins. She holds a bachelor of science degree in biological anthropology and zoology from the University of Michigan. Follow Wong on X (formerly Twitter) @katewong

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