NewsPlanetary Science

Martian Magnetic Whisper Detected

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Science  26 Sep 1997:
Vol. 277, Issue 5334, pp. 1924
DOI: 10.1126/science.277.5334.1924

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Planetary scientists knew that Mars was no magnetic powerhouse, but for decades they have been frustrated in their efforts either to write it off as magnetically inert like Venus or active like Mercury and Earth. Last week, the Mars Global Surveyor provided the long-sought answer during one of its first low passes over the planet.