A photo from open sources
According to NASA, rotary engines of the space probe Voyager 1 was last used in 1980, later their operation was not necessary. However in the present moment there was a need to adjust the flight path apparatus, why the agency’s employees thought about resuming auxiliary engine operation.
To do this, they needed to raise and re-examine the obsolete already a programming language and forgotten software. Not less recently, an attempt was made to start the engines “Voyager.” Twenty hours later, the answer came – the engines were successful work. Like this!
Thanks to this, NASA reports that the probe can be used at least another two to three years. The mission of two twin probes, recall, it was launched back in 1977. Today this a pair of spacecraft flew away farther from Earth. Probe Voyager 1, which again became famous thanks to the restart engines, has already moved away from our planet by 21 billion kilometers, gradually approaching the border of the solar system, which he is about to leave at a speed of 61 thousand kilometers in hour.
NASA