NASA-UAP-D012：水星-宇宙神8号音频片段（1962年10月3日）
NASA-UAP-D012, Mercury Atlas 8 Audio Excerpt, October 3, 1962
一份1962年10月3日水星-宇宙神8号（Sigma 7）任务的NASA音频片段。包含宇航员Wally Schirra与任务控制中心之间的通信。
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During the Mercury Atlas 8 mission, Sigma 7 pilot Walter M. “Wally” Schirra Jr. describes observing “little white objects that tend to come from the capsule itself and drift off.” Schirra later also refers to those objects as “particles” and “lathe shavings.” Schirra also describes seeing a burst of light in the window, whose source he cannot identify. He speculates that his observation corresponds with the moment the sun passes below the horizon during sunset.
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原始文件托管于美国战争部服务器，链接来自 war.gov。