NASA’s Big Metal Balls

Did you know that in the 1960s, NASA launched a groundbreaking satellite that forever changed the way we communicate? Meet Echo; the weirdest satellite ever launched.

Echo, NASA’s first communications satellite, was a passive spacecraft based on a balloon design created by an engineer at the Langley Research Center. Made of Mylar, the satellite measured 100 feet (30 meters) in diameter. Once in orbit, residual air inside the balloon expanded, and the balloon began its task of reflecting radio transmissions from one ground station back to another. Echo 1 satellites, like this one, generated a lot of interest because they could be seen with the naked eye from the ground as they passed overhead.

We’ll unravel its incredible story and learn more about how Echo’s technological advancements continue to influence spacecraft today.

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