Sunstruck: Solar hurricanes rip comet's tail

11:38am, October 10, 2007

Comet 2P/Encke has been looping around the sun for thousands of years. But last April, just after the comet slipped inside Mercury's orbit, magnetic hurricanes belching from the sun chopped off its ion tail. Spacecraft images of the event provide the first clear evidence of such a curtailment.

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