Electric waves from Jupiter's moon threaten the spacecraft
Mysterious electromagnetic waves on Jupiter's largest moon - Ganymede - have been recorded by NASA's Galileo spacecraft.
"Chorus waves" can create sounds like melodious birds singing but can also fire "killer" electrons that attack Jupiter exploration spacecraft.
Mysterious electromagnetic waves on Jupiter's largest moon - Ganymede - have been recorded by NASA's Galileo spacecraft. A multinational research team analyzed data about this wave and named it "chorus waves", the "chorus wave".
Close up of Jupiter's biggest moon - (photo: NASA).
The reason for using the word chorus - the term for the chorus in a song - is because if a similar wave spreads on the earth, we humans can hear it as a melodious music created from the chirping of birds at dawn. At the same time, it can create colorful magical light in the night sky.
But for space scientists, this kind of wave with a beautiful name is a threat. It releases countless "killer" electrons into space, which can damage the spacecraft. The chorus wave is described as "unusually intense".
According to the professor - Dr. Yuri Shprits, from the Helmholtz Center in Potsdam (Germany), the chorus wave was created in part by Jupiter's strong magnetic field and the moons orbiting it.The chorus wave is estimated to be millions of times stronger than the types of magnetic waves found on our Earth .
The co-author Richard Horne of the British Antarctic Survey Agency explained that just a small fraction of the chorus wave escapes the proximity of the Ganymede moon, they can accelerate, creating energy particles. very high, releasing electrons moving at extremely fast speeds in Jupiter's magnetic field. That is the "killer" electrons that Jupiter's probe spacecraft should be careful of.
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