you've seen the satellite images the POTUS has presented to the public lately. You want to know how it's done?
The article Intersections in real time: the decision to build the KH-11 KENNEN reconnaissance satellite written by Dwayne A. Day for The Space Review gives you a detailed insight into the history and capabilities of reconnaissance satellites!
The Space Review: Intersections in real time: the decision to build the KH-11 KENNEN reconnaissance satellite
I strongly recommended reading this lengthy article, to get a glimpse of an idea what's flying over our heads.
Header-Picture Foto by Howard Fuhs
You will find part 2 of the story here.
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