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jam atom

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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.

Sains untuk Anak

Peluncuran Satelit GPS Pertama (1978): Revolusi Tenang NAVSTAR

Pandangan hangat dan jelas tentang peluncuran satelit GPS pertama tahun 1978. Pelajari bagaimana NAVSTAR Block I menggunakan jam atom dan…

Roshni Sawhny

Maret 27, 2026 •