“Even small events restructure large regions of the solar surface,” said Alan Title, AIA principal investigator at Lockheed Martin Advanced Technology Center. Shortly after AIA opened its doors on March 30, scientists observed a large eruptive prominence on the sun’s edge, followed by a filament eruption a third of the way across the star’s disk from the eruption. Large eruptive prominence on the sun's edge, as seen by SDO. You can then zoom in to measure the changes in great detail.” “By looking at entire Sun we can see how one part of the Sun affects another. “This will allow us to zoom in on small regions and see far more detail in time and space, and zoom in on any part we want,” said Pesnell. The Atmospheric Imaging Assembly (AIA), one of three instruments aboard SDO, records high-resolution full-disk images of the Sun’s corona and chromosphere in more channels and at a higher rate than ever before. “In essence, we are watching the butterfly effect in action on the Sun,” said Dean Pesnell, SDO project scientist. ![]() With SDO, scientists are seeing that even minor solar events can have large effects across the Sun. ![]() Already, the Solar Dynamics Observatory, or SDO, has taken over 5 million images, and the firehose of data and spectacular images is allowing solar scientists to begin understanding the dynamic nature of solar storms.
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