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Important notice about the deactivation of the STEREO ftp
server
Important notice about the STEREO redirects
Important notice about STEREO Behind
Prominence Times Four
By a fairly uncommon coincidence, STEREO (Ahead) observed four prominences that
rose up and danced above the sun's surface for most a 2-day period (Dec. 30-31, 2008), each in its own quadrant.
The show ended with a bang as New Year's Eve approached when the largest of the four erupted and was spun away
into space. Prominences are clouds of cooler gases that are suspended above the Sun by magnetic forces,
lasting from hours to days. This STEREO instrument observes the Sun in extreme UV wavelength of light of
material at about 60,000 degrees C. and takes an image about every 10 minutes (which can then be run together
to make a video clip).
Last Revised: October 03, 2023 17:04:35 UTC
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