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barry barry
wrote...
Posts: 11630
11 years ago
Why was the discovery of a substantial magnetic field around Mercury a surprise?  How was it detected?
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wrote...
11 years ago
In its close passes by Mercury, Mariner 10 found a field that is much stronger than Mercury's very slow rotation would have led us to expect with the dynamo theory.
Would you know my name, if I saw you in heaven?

Eric Clapton
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barry Authorbarry
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Posts: 11630
11 years ago
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