{ "id": 30466, "url": "https://svs.gsfc.nasa.gov/30466/", "page_type": "Hyperwall Visual", "title": "Sharpest-Ever Images of the Sun's Corona", "description": "In July 2012 NASA's High Resolution Coronal Imager, or Hi-C, telescope launched on a sounding rocket and captured the highest-resolution images ever taken of the sun's million-degree atmosphere, or corona. The square area outlined in yellow in the full disk image of the sun [left], taken by the Atmospheric Imaging Array (AIA) on NASA's Solar Dynamics Observatory (SDO), represents the Hi-C field-of-view. The Hi-C telescope captured five minutes of data of the solar corona at about five times finer resolution than SDO's AIA. Within the Hi-C field-of-view [center], scientists identified several examples of coronal braiding—structures that appear to be wrapped and woven together. Zoomed in [right], these braided structures appear to be several strands, or magnetic field lines, tangled together, illuminated by hot plasma. This particular braided structure released energy in a small solar flare, shortly after the Hi-C flight. For decades scientists have sought to understand why the corona is 50 to 100 times hotter than the surface of the sun. Images like these, taken by Hi-C, hint that these braided structures release magnetic energy that likely contributes to the intense heating of the solar corona.Used in 2014 Calendar. || ", "release_date": "2013-11-01T12:00:00-04:00", "update_date": "2024-10-10T00:21:05.330817-04:00", "main_image": { "id": 429984, "url": "https://svs.gsfc.nasa.gov/vis/a030000/a030400/a030466/sharpest_images_sun_corona_cal_print.jpg", "filename": "sharpest_images_sun_corona_cal_print.jpg", "media_type": "Image", "alt_text": "High-resolution images of the sun's corona from Hi-C telescope, July 2012.", "width": 1024, "height": 576, "pixels": 589824 }, "main_video": null, "main_credits": {}, "progress": "Complete", "media_groups": [ { "id": 342431, "url": "https://svs.gsfc.nasa.gov/30466/#media_group_342431", "widget": "Basic text with HTML", "title": "", "caption": "", "description": "In July 2012 NASA's High Resolution Coronal Imager, or Hi-C, telescope launched on a sounding rocket and captured the highest-resolution images ever taken of the sun's million-degree atmosphere, or corona. The square area outlined in yellow in the full disk image of the sun [left], taken by the Atmospheric Imaging Array (AIA) on NASA's Solar Dynamics Observatory (SDO), represents the Hi-C field-of-view. The Hi-C telescope captured five minutes of data of the solar corona at about five times finer resolution than SDO's AIA. Within the Hi-C field-of-view [center], scientists identified several examples of coronal braiding—structures that appear to be wrapped and woven together. Zoomed in [right], these braided structures appear to be several strands, or magnetic field lines, tangled together, illuminated by hot plasma. This particular braided structure released energy in a small solar flare, shortly after the Hi-C flight. For decades scientists have sought to understand why the corona is 50 to 100 times hotter than the surface of the sun. Images like these, taken by Hi-C, hint that these braided structures release magnetic energy that likely contributes to the intense heating of the solar corona.

Used in 2014 Calendar.

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