Rosetta and Philae say comet isn't magnetized

April 14, 2015 1:20 PM

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Scientists have long been curious about the role magnetic fields played in the formation of materials during the solar system's earliest days. Now, comet 67P/Churyumov-Gerasimenko may offer answers.

That the comet is unmagnetized suggests magnetic fields failed to influence material formation once objects such as comets, asteroids and planetesimals reached a certain size.

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