File:Magnetic loops on the sun.jpg
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Summary
[edit]DescriptionMagnetic loops on the sun.jpg |
English: On July 18, 2012, a fairly small explosion of light burst off the lower right limb of the sun. Such flares often come with an associated eruption of solar material, known as a coronal mass ejection or CME – but this one did not. Something interesting did happen, however. Magnetic field lines in this area of the sun's atmosphere, the corona, began to twist and kink, generating the hottest solar material – a charged gas called plasma – to trace out the newly-formed slinky shape. The plasma glowed brightly in extreme ultraviolet images from the Atmospheric Imaging Assembly (AIA) aboard NASA’s Solar Dynamics Observatory (SDO) and scientists were able to watch for the first time the very formation of something they had long theorized was at the heart of many eruptive events on the sun: a flux rope.
Eight hours later, on July 19, the same region flared again. This time the flux rope's connection to the sun was severed, and the magnetic fields escaped into space, dragging billions of tons of solar material along for the ride -- a classic CME. This is an image of magnetic loops on the sun, captured by NASA's Solar Dynamics Observatory on July 18, 2012. It has been processed to highlight the edges of each loop to make the structure more clear. A series of loops such as this is known as a flux rope, and these lie at the heart of eruptions on the sun known as coronal mass ejections (CMEs.) This is the first time scientists were able to discern the timing of a flux rope's formation. |
Date | |
Source | https://www.flickr.com/photos/gsfc/8473026163/ |
Author | NASA/Goddard Space Flight Center/SDO |
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This image was originally posted to Flickr by NASA Goddard Photo and Video at https://flickr.com/photos/24662369@N07/8473026163. It was reviewed on 2021-04-29 20:55:38 by FlickreviewR 2, who found it to be licensed under the terms of the cc-by-2.0, which is compatible with the Commons. It is, however, not the same license as given above, and it is unknown whether that license ever was valid. |
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current | 20:19, 5 August 2014 | ![]() | 1,247 × 1,000 (1.29 MB) | Numéro 1963 (talk | contribs) | User created page with UploadWizard |
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Width | 2,500 px |
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Height | 1,000 px |
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Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop CS5 Macintosh |
File change date and time | 10:24, 14 February 2013 |
Exif version | 2.21 |
Color space | sRGB |
Date and time of digitizing | 05:22, 14 February 2013 |
Date metadata was last modified | 05:24, 14 February 2013 |
Unique ID of original document | 108EA31A6CBB265A407C3E1924BA6B83 |