File:Mosaic of Antarctica (11822809516).jpg
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Summary
[edit]DescriptionMosaic of Antarctica (11822809516).jpg |
Antarctica is the coldest, driest and windiest place on Earth – and, during the austral summer, it is also the sunniest. Due to the tilt of the Earth’s axis in relation of the sun, the frozen land south of the Antarctic Circle receives six months of daylight in summertime, and six months of darkness in winter. The long hours of sunshine allow for excellent imagery of the region from space. This true-color mosaic of Antarctica was created from images acquired by multiple passes of the Moderate Resolution Imaging Spectroradiometer (MODIS) aboard the Terra satellite on December 16, 2013. Because Terra is in a polar orbit, it passes over each pole approximately 14 times a day, and acquires an image on each pass. To create a mosaic, the data that are closest to the center of each swath – where edge distortion is minimized – are used to create a complete view of the region. The MODIS Rapid Response system generates complete mosaic images of Antarctica every day in austral late spring, summer and early fall. Because the light is poor in austral late fall, winter and early spring, MODIS images are not created during that period. A mosaic of Antarctica can be found for any given day at NASA’s Project Antarctica at rapidfire.sci.gsfc.nasa.gov/subsets/?project=antarctica Credit: NASA/GSFC/Jeff Schmaltz/MODIS Land Rapid Response Team NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission. Follow us on Twitter Like us on Facebook Find us on Instagram |
Date | |
Source | Mosaic of Antarctica |
Author | NASA Goddard Space Flight Center from Greenbelt, MD, USA |
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This image was originally posted to Flickr by NASA Goddard Photo and Video at https://flickr.com/photos/24662369@N07/11822809516. It was reviewed on 17 September 2016 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
17 September 2016
Public domainPublic domainfalsefalse |
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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current | 20:49, 17 September 2016 | 1,536 × 1,536 (693 KB) | Vanished Account Byeznhpyxeuztibuo (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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