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グラディス・ウェスト博士

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Navstar 1, the first GPS satellite launched 1978, took off on Feb 22, 1978. This friendly piece explains the Block I tests, atomic clocks, and how that small launch grew into the GPS system we rely on today. 子供向け科学

ナブスター1: 1978年に打ち上げられた最初のGPS衛星

ナブスター1、1978年に打ち上げられた…

Alexandra Hochee

Alexandra Hochee

6月 20, 2026 •
1 分で読める

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