Scientists have created the first ever 3D map of radiation around Jupiter and its moons! This incredible feat was achieved by repurposing regular cameras aboard NASA’s Juno spacecraft into crafty radiation detectors.
Imagine tiny, glowing bugs – that’s what scientists call the streaks of light these cameras capture. When high-energy particles slam into the cameras, they leave behind these “fireflies.” By counting the fireflies, scientists can determine the amount of radiation the spacecraft is flying through.
This new technique revealed surprising details about Jupiter’s radiation environment. For instance, there’s a flow of energetic particles near one of Jupiter’s moons, Europa. These particles are affected by both the planet’s rotation and the movement of electrons from its powerful magnetic field.
The map also showed how Jupiter’s small shepherd moons, which help keep its rings in shape, can actually influence the radiation around them. It seems these moons might act like shields, protecting areas from the harsh radiation.
This discovery mission is helping us understand Jupiter’s environment better, which is crucial for planning future missions to this gas giant and its icy moons. Maybe someday, we’ll unravel the mysteries these fascinating worlds hold!
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