📰 2026-04-11 08:30 更新
🔸 Artemis II safely splashes down / 阿尔忒弥斯II安全溅落
🔗 Artemis II safely splashes down
🔥 94 points
原文:
Reentry into Earth’s atmosphere should begin at 7:53 p.m. ET, according to NASA’s timeline for landing day.Twenty-four seconds after reentry begins, and some 1,950 miles from splashdown, heating across the Orion capsule’s 16.5-foot heat shield will build to the point that electrically charged plasma will engulf the spacecraft, preventing normal communications.One minute and 22 seconds into the descent, temperatures across the heat shield will reach a peak of some 5,000 degrees Fahrenheit — ha…
译文:
根据美国宇航局的着陆时间表，重返地球大气层应该在美国东部时间晚上7:53开始。重返大气层开始后24秒，距离溅落约1,950英里，猎户座太空舱的16.5英尺隔热罩将加热到带电等离子体将吞没航天器的程度，从而阻止正常的通信。下降1分22秒后，隔热罩的温度将达到 华氏5000度左右的高峰–哈……
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