Magnetic space whirlpools give Mercury a plasma shower : To the list of scary things in space you can now add giant magnetic vortices. Huge swirls at the edge of Mercury's magnetosphere – where the planet's magnetic field meets the energetic charged particles of the solar wind – help shower the planet in solar plasma...
A new study of Messenger's data suggests the waves are stronger than thought – two to three times the strength of their terrestrial counterparts – and occur 10 to 30 times more frequently too.
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