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卫星

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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.

Navstar 1：1978年发射的首颗GPS卫星

Navstar 1是1978年发射的首颗…

Alexandra Hochee

20 6 月, 2026 •

A warm, simple guide to satellite for kids. Learn what satellites are, why Sputnik mattered, how orbits work, common uses, parts, and a brief safety note. Perfect for curious parents and teachers.

儿童卫星：微小的哔声，大大的想法和奇迹

一个温暖而简单的儿童卫星指南。了解卫星是…

Roshni Sawhny

23 5 月, 2026 •

A warm, family-friendly guide to the solar system for kids. Short, clear sections cover planets, moons, comets, scale models, and exploration stories to spark wonder and stargazing at home.

儿童太阳系：温馨的家庭指南

一个温馨的家庭友好指南，介绍儿童太阳系。…

Roshni Sawhny

7 5 月, 2026 •

A warm, simple guide to satellite for kids. Learn what satellites do, how orbit works, and find Storypie stories and listening games to spark family wonder.

儿童卫星：微小的哔声与广阔的天空

一个温暖而简单的儿童卫星指南。了解卫星的…

Roshni Sawhny

5 4 月, 2026 •

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.

第一颗GPS卫星发射（1978年）：NAVSTAR的静悄悄革命

温暖而清晰地了解1978年发射的第一颗G…

Roshni Sawhny

27 3 月, 2026 •