Mercury's magnetic field tells scientists how its interior is different from Earth's

Mercury's magnetic field tells scientists how its interior is different from Earth's
Los Angeles CA (SPX) Aug 01, 2014 - Earth and Mercury are both rocky planets with iron cores, but Mercury's interior differs from Earth's in a way that explains why the planet has such a bizarre magnetic field, UCLA planetary physicists and colleagues report. Measurements from NASA's Messenger spacecraft have revealed that Mercury's magnetic field is approximately three times stronger at its northern hemisphere than its sout ... more

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