Thursday, 19 February 2015

For the first time, spacecraft catch solar shockwave in the act: 'Ultrarelativistic, killer electrons made in 60 seconds

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On Oct. 8, 2013, an explosion on the sun's surface sent a supersonic blast wave of solar wind out into space. This shockwave tore past Mercury and Venus, blitzing by the moon before streaming toward Earth. The shockwave struck a massive blow to the Earth's magnetic field, setting off a magnetized sound pulse around the planet.

via Science Daily

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