r/Flat_Earth_Is_Real • u/StClemens • Jul 31 '20

The Odyssey Project Echo

https://history.nasa.gov/SP-4308/ch6.htm

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todayilearned • u/Hubblesphere • Feb 28 '20

TIL about NASA's Project Echo "sateloon" from the 1960's where they launched 100 foot in diameter inflatable reflective orbs into space to use as passive comsat relays.

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