More than 40 years after launch, Voyager 1 remains to be making new discoveries. The newest achievement by the craft is the detection of a faint, plasma “hum,” indicating that there could also be extra exercise in interstellar fuel than beforehand thought.
When it took off in 1977, Voyager 1 was carrying an instrument known as the Plasma Wave System (PWS), which measures electron density. The craft used this to check the magnetospheres of Jupiter and Saturn, and recorded radio waves coming from the fuel and ice giants on its tour of the photo voltaic system.
But it wasn’t till it left the photo voltaic system that the PWS actually earned its hold. One of the few devices nonetheless operational in any case these many years, NASA was ready to make use of the PWS to measure the plasma shock waves as Voyager 1 handed out of the heliosphere, the bubble that marks the Sun’s affect. Using this knowledge, NASA confirmed that in 2012 Voyager 1 grew to become the primary human-made object to enter interstellar area.
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Source: Michael Irving
Photo credit score: Press