Biggest solar storm in 5 years racing toward Earth, threatening to disrupt power grids, GPS, airplane flights http://on.wsj.com/y3laBb
11:57 AM - 7 Mar 2012
10 replies
455 retweets
36 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.