Overnight on October 4-5, 2012, a mass of energetic particles from the atmosphere of the Sun were flung out into space, a phenomenon known as a coronal mass ejection. Three days later, the storm from the Sun stirred up the magnetic field around Earth and produced gorgeous displays of northern lights. At the Polarlightcenter in Lofoten, Norway, the reverberating magnetic field induced electrical currents in the ground. Arctic sky watchers should remain alert for auroras on Oct. 18-19, especially during the hours around local midnight.
Meteor sighting. On the night of Oct. 17th, many people near San Francisco, California, USA saw a slow-moving fireball exploding in the sky around 07:45 pm PDT. Witnesses report bright flashes of light and sonic booms that shook houses.
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