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NASA Space Science News
An M-class
eruption near the giant sunspot 9393 hurled a coronal mass
ejection toward Earth on Wednesday, March 28th. The faint
expanding cloud (pictured right in a SOHO coronagraph animation)
could arrive by Friday and trigger a new round of auroras
and other geomagnetic disturbances. Stay tuned for updates.
GIANT
SUNSPOT: The fast-growing sunspot 9393 now covers an area
of the solar disk thirteen equivalent to the surface area
of 13 planet Earths. That makes it the largest sunspot of
the current solar cycle. You can see this huge spot for
yourself, but be careful: Looking directly at the Sun can
cause permanent eye damage. Click to learn more about safe
solar observing.
Sunspot
animation -- watch sunspot 9393 grow in this SOHO white
light solar movie spanning March 22-28.
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