In the Past Few Weeks
The sun has been pretty busy. On Tuesday, our sun sent out two huge explosions from the far side of its surface.
In the Early Morning
Hours of February 15, Nasa's STEREO-A spacecraft caught a beautiful coronal mass ejection (CME).
CMEs Are Big
Explosions that send plasma hurtling through space. The sun has had a few of these this month.
If the Plumes
Of material hit Earth, they can cause geomagnetic storms that can knock out satellites and mess up power grids.
This Week's CME Came
From the far side of the sun that faces away from Earth, so astronomer Dr. Tony Phillips says it doesn't pose a threat.
Based on the CME Size
It's possible that the eruption was an X-class flare, which is the most powerful category.
GPS Dependent America Is One
Solar Storm Away from Collapse