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Solar flare danger - massive sunspot the size of Jupiter takes aim at Earth

The potential for a massive solar flare directed at Earth is looming large.

An SDO/HMI view of the visible sun showing the largest sunspot… 378 more words

Solar Flare

nasa appears to offer this as an alternative to the jack-o-lantern...

This image combines two sets of observations of the sun at 10:45 AM EDT, July 12, 2012 from the Solar Dynamics Observatory (SDO) to give an impression of what the sun looked like shortly before it unleashed an X-class flare beginning at 12:11 PM EDT. 75 more words

Photography & Images

The sun puts on its jack-o'-lantern face a bit early

TORONTO – Halloween may still be more than two weeks away, but tell that to the sun.

On Oct. 8, NASA’s Solar Dynamics Observatory (SDO) captured an image of active regions on the sun and strangely, they seemed to look like a perfect jack-o’-lantern face. 131 more words

Science