Blue Marble image of Earth (2005)

Blue Marble image of Earth. Composite satellite image of Earth's western hemisphere, centred on the Atlantic Ocean. North is at top. The image is one of a set entitled Blue Marble: NextGeneration, released in October 2005, whichimproves upon Blue Marble 2000. The new images combine data collected over a longer period of time at an improved resolution of 500 metres per pixel. Features include cloud cover, oceans, phytoplankton activity, topography, and city lights in the nighttime part of the hemisphere. Data was obtained mainly by NASA's Moderate Resolution Imaging Spectroradiometer (MODIS) aboard the Terra and Aqua satellites between July 2001 and July 2004. Topography is based on radar data collected by the Space Shuttle Endeavor.. Stunning Photo Gifts From Science Photo Library

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