These spectacular images of the Earth are the most true-colour images of the entire world released to-date, according to Nasa scientists.
Satellite image of earth
The images of the Indian Ocean and North America were produced by astronomers at Nasa’s using images from the Terra satellite more than 435 miles (700km) above the Earth’s surface
The Blue Marble series was pieced together from thousands of images taken over many months by the satellite’s remote sensing device MODIS, of every square kilometre of the Earth’s surface.
http://news.bbc.co.uk/2/hi/in_depth/8547114.stm
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