Sunday, July 22, 2012

Foto Bumi dari Citra Satelit Landsat

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Selama 40 tahun terakhir, program pengamatan satelit Landsat merekam berbagai perubahan detail yang terjadi di permukaan Bumi.

Berikut adalah beberapa gambar-gambar Bumi seperti diambil citra Landsat.

http://l.yimg.com/bt/api/res/1.2/IVwKv._jfpeS_WCfqgifbg--/YXBwaWQ9eW5ld3M7Zmk9aW5zZXQ7aD02MzA7cT04NTt3PTYzMA--/http://l.yimg.com/os/152/2012/07/23/670107main-van-gogh-from-space-jpg_185728.jpg
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, fueling the growth and reproduction of these tiny plants.
(Credit: NASA Goddard Space Flight Center/USGS)
http://l.yimg.com/bt/api/res/1.2/v.i97OfwTz6DH2bXGCXj6g--/YXBwaWQ9eW5ld3M7Zmk9aW5zZXQ7aD02MzE7cT04NTt3PTYzMA--/http://l.yimg.com/os/152/2012/07/23/670109main-yukon-delta-jpg_185732.jpg
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. (Credit: NASA Goddard Space Flight Center/USGS)

http://l1.yimg.com/bt/api/res/1.2/zUOUZIOuIbmnatT_wDwy2A--/YXBwaWQ9eW5ld3M7Zmk9aW5zZXQ7aD02MzE7cT04NTt3PTYzMA--/http://l.yimg.com/os/152/2012/07/23/670111main-algerian-abstract-jpg_185727.jpg
What look like pale yellow paint streaks slashing through a mosaic of mottled colors are ridges of wind-blown sand that make up Erg Iguidi, an area of ever-shifting sand dunes extending from Algeria into Mauritania in northwestern Africa. Erg Iguidi is one of several Saharan ergs, or sand seas, where individual dunes often surpass 500 meters (nearly a third of a mile) in both width and height.
(Credit: NASA Goddard Space Flight Center/USGS)

http://l1.yimg.com/bt/api/res/1.2/kSV85IAOMLtOg4Ap9UPfzg--/YXBwaWQ9eW5ld3M7Zmk9aW5zZXQ7aD02MzA7cT04NTt3PTYzMA--/http://l.yimg.com/os/152/2012/07/23/670103main-lake-eyre-jpg_185730.jpg
The scary face in this image is actually inundated patches of shallow Lake Eyre (pronounced "air") in the desert country of northern South Australia. An ephemeral feature of this flat, parched landscape, Lake Eyre is Australia's largest lake when it's full. However in the last 150 years, it has filled completely only three times.
(Credit: NASA Goddard Space Flight Center/USGS)

http://l3.yimg.com/bt/api/res/1.2/2Glc26HRdtta8bVQMwEjDA--/YXBwaWQ9eW5ld3M7Zmk9aW5zZXQ7aD02MzA7cT04NTt3PTYzMA--/http://l.yimg.com/os/152/2012/07/23/670105main-meandering-mississippi-jpg_185732.jpg
Small, blocky shapes of towns, fields, and pastures surround the graceful swirls and whorls of the Mississippi River, the largest river system in North America. Countless oxbow lakes and cutoffs accompany the meandering river south of Memphis, Tennessee, on the border between Arkansas and Mississippi.
(Credit: NASA Goddard Space Flight Center/USGS)



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