Labels:apron | lowland | sky OCR: MAGNETIC FIELD Data Mercury possesses magnetic field but its strength IS only one- hundr redth the strength of the Earth' Possible explanations for the magnetic field tinciude 1a dynamo in Mercury S large iron core fossil" field which once existed and magnetized the iron and rocks and an induced field caused by iteractions with the Sun. However, none of these theories completely explains the measured field. The magnetic field causes magnetosphere similar to the Earth's but without radiation belts. hundredth ossible inciude ossil iteract tions lains uses magnetospher adiation
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