This sun spot, discovered by NASA's Solar Dynamics Observatory measures nearly eight times the size of Earth. Magnetic activity around sun spots cause solar flares, and X-class flares can be expected as the spot turns toward Earth.
Tuesday, November 8, 2011
Picture of the week: Sun Spot
This sun spot, discovered by NASA's Solar Dynamics Observatory measures nearly eight times the size of Earth. Magnetic activity around sun spots cause solar flares, and X-class flares can be expected as the spot turns toward Earth.
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