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Arches National Park Geology Tour provides an extensive, visually rich description of the geology of Arches, by Deborah Ragland, Ph.D. See our DVD collection.
The Sun on March 30, 2001.
Click on image for full size
Courtesy of Spaceweather.com

Massive Sunspot!
News story originally written on March 30, 2001

Right now, the largest sunspot of the decade is on the Sun. In this picture, it is the black smudge on the upper, right part of the Sun. Though it doesn't look like much, this area is more than the surface area of 13 Earths!

Already, flares and coronal mass ejections (CMEs) have shot from this sunspot. These flares and CMEs released March 28th-29th are headed towards Earth. So, this weekend, there may be aurora and possibly even radio or power blackouts!

Stay tuned to Spaceweather.com for updates!

Last modified March 30, 2001 by Jennifer Bergman.

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