Magnetometry 101

  • Released Friday, November 19th, 2010
  • Updated Wednesday, May 3rd, 2023 at 1:53PM
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NASA satellites use very sensitive devices called magnetometers to measure the magnetic fields of planets. Like very sensitive compasses, these devices can measure both direction and strength of planetary magnetic fields.


Please give credit for this item to:
NASA/Goddard Space Flight Center


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