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DUKAS_24944279_REX
Top five NASA Landsat observation satellites images of Earth - 24 Jul 2012
Mandatory Credit: Photo by Landsat/NASA/Rex / Rex Features (1803180b)
2nd Place
Top five NASA Landsat Satellites Images of Earth
During a span of 40 years, since 1972, the Landsat series of Earth observation satellites has become a vital reference worldwide for understanding scientific issues related to land use and natural resources.
Beyond the scientific information they supply, some Landsat images are simply striking to look at, presenting spectacular views of mountains, valleys, and islands as well as forests, grasslands, and agricultural patterns.
By selecting certain features and colouring them from a digital palate, the U.S. Geological Survey has created a series of "Earth as Art" perspectives that demonstrate an artistic resonance in satellite land imagery and provide a special avenue of insight about the geography of each scene.
NASA asked the public to vote on their favourite images from the more than 120 images in the online "Earth as Art" collection. From over 14,000 votes the top five winners were:
1st Place: Van Gogh from Space Landsat 7 Acquired 7/13/2005. In the style of Van Gogh's painting "Starry Night," massive congregations of greenish phytoplankton swirl in the dark water around Gotland, a Swedish island in the Baltic Sea. Population explosions, or blooms, of phytoplankton, like the one shown here, occur when deep currents bring nutrients up to sunlit surface waters, fuelling the growth and reproduction of these tiny plants.
2nd Place: Yukon Delta Landsat 7 Acquired 9/22/2002. Countless lakes, sloughs, and ponds are scattered throughout this scene of the Yukon Delta in southwest Alaska. One of the largest river deltas in the world, and protected as part of the Yukon Delta National Wildlife Refuge, the river's sinuous waterways seem like blood vessels branching out to enclose an organ.
3rd Place: Meandering Mississippi Landsat 7 Acquired 5/28/2003. ...
For more information visit http://www.rexfeatures.com/stacklink/INLXCCYUH
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