File:Imaging the Sun in STEREO - Solar Prominences.jpg
Imaging_the_Sun_in_STEREO_-_Solar_Prominences.jpg (792 × 545 pixels, file size: 161 KB, MIME type: image/jpeg)
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[edit]DescriptionImaging the Sun in STEREO - Solar Prominences.jpg |
English: Enormous Solar Prominence captured by STEREO Spacecraft
The twin STEREO spacecraft (called “Behind” and “Ahead” denoting their relative positions in space), now almost 120 degrees apart, captured this large and dramatic prominence eruption over about a 30-hour period between Sept. 26-27, 2009. Prominences, called filaments when they are viewed against the surface of the Sun, are clouds of cooler gas suspended above the Sun’s surface by magnetic forces. This erupting prominence was large enough that both spacecraft were able to observe it for hours on end, one of the first times that has occurred. From the Behind perspective (on left) the long filament, darker than the Sun’s surface, can be seen rising up and then breaking away, spreading out above most of the Sun’s surface. As seen from the Ahead spacecraft (right), the filament is seen in profile and is therefore called a prominence. The very large cloud lifts up, breaks away, and heads out into space. This is one of the most spectacular eruptive prominences STEREO has observed. www.nasa.gov/mission_pages/stereo/multimedia/filament_eru... Main STEREO Page: www.nasa.gov/mission_pages/stereo/main/index.html Credit: NASA / Goddard Space FLight Center |
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Source | https://www.flickr.com/photos/24662369@N07/3990256684/ |
Author | NASA Goddard Photo and Video |
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This image was originally posted to Flickr by NASA Goddard Photo and Video at https://flickr.com/photos/24662369@N07/3990256684. It was reviewed on 15 March 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
15 March 2020
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