File:X-class flares emitted on May 12-14, 2013.jpg
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| Description | Swinging around the Sun's eastern limb on Monday, a group of sunspots labeled active region AR1748 has produced the first four X-class solar flares of 2013 in less than 48 hours. In time sequence clockwise from the top left, flashes from the four were captured in extreme ultraviolet images from the Solar Dynamics Observatory. Ranked according to their peak brightness in X-rays, X-class flares are the most powerful class and are frequently accompanied by coronal mass ejections (CMEs), massive clouds of high energy plasma launched into space. But CMEs from the first three flares were not Earth-directed, while one associated with the fourth flare may deliver a glancing blow to the Earth's magnetic field on May 18. Also causing temporary radio blackouts, AR1748 is likely not finished. Still forecast to have a significant chance of producing strong flares, the active region is rotating into more direct view across the Sun's nearside. |
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| Source | http://www.nasa.gov/mission_pages/sunearth/news/News051513-ar1748.html |
| Author | NASA/SDO/GSFC |
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) |  |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 09:47, 16 May 2013 | | 2,048 × 1,152 (2.86 MB) | Stas1995 (talk | contribs) | {{Information |Description=These images from NASA’s Solar Dynamics Observatory show four X-class flares emitted on May 12-14, 2013 – the first four X-class flares of 2013. Each panel is a blend of two images one showing light in the 171 Angstrom wa... |
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