December 30, 2008
Look up tonight and tomorrow - aurora borealis possibility
There was a big solar wind a few days ago and we have all the conditions for a large display of aurora borealis tonight and tomorrow. From SpaceWeather:AURORA ALERT: "The Northern Lights are coming," says Rob Stammes of the Polar Light Center in Lofoten, Norway. He bases his prediction on what is happening right now in the ground outside his magnetic observatory. "Electrical currents are surging through the Earth. Here is the recording from my ground current instrument."The Polar Light Center can be found here: Polar Light Center Looks like a fun setup:
The cause of this activity is a solar wind stream hitting Earth. The impact of the solar wind rattles Earth's magnetic field which, in turn, induces electrical currents in the ground. "This kind of ground current surge normally precedes beautiful Northern Lights," notes Stammes. High-latitude sky watchers should be alert for auroras tonight.
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