In May, NASA scientists said the Voyager 1 spacecraft was sending back inaccurate data from its attitude-control system. In order to find a fix, engineers dug through decades-old manuals.

The Voyager team solved the mysterious glitch in late August, NASA officials wrote in an update. Turns out, the spacecraft was beaming information using a dead computer that was corrupting the data.

Voyager 1, along with its twin Voyager 2, launched in 1977 with a design lifetime of five years to study Jupiter, Saturn, Uranus, Neptune, and their respective moons up close.

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After nearly 45 years in space, both spacecraft are still functioning. In 2012, Voyager 1 became the very first human-made object to venture beyond the boundary of our sun’s influence, known as the heliopause, and into interstellar space. It’s now around 14.8 billion miles from Earth and sending data back from beyond the solar system.

Read more: yahoo