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NAVSTAR

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A warm, clear look at the first GPS satellite launched 1978. Learn how NAVSTAR Block I used atomic clocks and careful math to begin a quiet revolution that still guides phones, rescue teams, and daily life.

子供のための科学

最初のGPS衛星の打ち上げ（1978年）：NAVSTARの静かな革命

1978年に打ち上げられた最初のGPS衛…

Roshni Sawhny

3月 27, 2026 •

1 分で読める