How Does GPS Work? | NASA Space Place – NASA Science for Kids

July 5, 2026

And I know where you are in the sky right now, too! Let me listen to your signal to figure out how far away I am from each of you… Oh! I must be right here! There’s no other place that is the right distance away from each of you! OK, let me check the internet to see what pizza places are near me…” And all that happens in an instant.

https://spaceplace.nasa.gov/gps-pizza/en/

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