https://en.wikipedia.org/wiki/2023_China_balloon_incident
"The balloon was flying at an altitude of 60,000 feet (18,000 m) over Billings at the time"
"The balloon itself was about 90 feet (27 m) in diameter"
這個圖說明裏麵一半是氦氣,另一半是個氣囊,加減球外空氣而控製高度。
https://en.wikipedia.org/wiki/2023_China_balloon_incident
"The balloon was flying at an altitude of 60,000 feet (18,000 m) over Billings at the time"
"The balloon itself was about 90 feet (27 m) in diameter"
這個圖說明裏麵一半是氦氣,另一半是個氣囊,加減球外空氣而控製高度。
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NBC說直徑是60米, 維基不能做依據
-槍迷球迷-
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02/07/2023 postreply
07:17:48
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"Three school bus" Pentagon says.
-檸檬椰子汁-
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02/07/2023 postreply
07:23:46
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那是說氣球下麵吊的東西
-槍迷球迷-
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02/07/2023 postreply
07:27:26
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早上電視說是20城樓高,承載2000磅。不大可能承載3輛校車吧。
-徒勞-
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02/07/2023 postreply
07:43:09
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兩千磅的東西伸展成三個校車大小很正常啊
-槍迷球迷-
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02/07/2023 postreply
07:49:24
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