Quote:
Originally Posted by Moogs
Riddle me this... when there is a CME (which I understand to be a huge electro-magnetic outburst essentially), why does it take 1-2 days for the thing to reach us instead of the 8 minutes that the sun's light takes? Doesn't the "emp" from that CME also travel at the speed of light?
http://www.bbc.co.uk/news/science-environment-12493980
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CMEs throw out charged plasma, which has mass and travels much more slowly than the speed of light.