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File:Earth Western Hemisphere.jpg

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and atmospheric features of the Earth. The land and coastal ocean portions of these images are based on surface observations collected from June through September 2001 and combined, or composited, every eight days to compensate for clouds that might block the sensor’s view of the surface on any single day. Two different types of ocean data were used in these images: shallow water true color data, and global ocean color (or chlorophyll) data. Topographic shading is based on the GTOPO 30 elevation dataset compiled by the U.S. Geological Survey’s EROS Data Center. MODIS observations of polar sea ice were combined with observations of Antarctica made by the National Oceanic and Atmospheric Administration’s AVHRR sensor—the Advanced Very High Resolution Radiometer. The cloud image is a composite of two days of imagery collected in visible light wavelengths and a third day of thermal infra-red imagery over the poles. Global city lights, derived from 9 months of observations from the Defense Meteorological Satellite Program, are superimposed on a darkened land surface map.
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Much of the information contained in this image came from a single remote-sensing device-NASA’s Moderate Resolution Imaging Spectroradiometer, or MODIS. Flying over 700 km above the Earth onboard the Terra satellite, MODIS provides an integrated tool for observing a variety of terrestrial, oceanic,
752: 769:{{PD-USGov-NASA}} http://earthobservatory.nasa.gov/Newsroom/BlueMarble/Images/globe_west_2048.jpg Much of the information contained in this image came from a single remote-sensing device-NASA’s Moderate Resolution Imaging Spectroradiometer, or MODIS. 1427: 1542: 1487: 1492: 480: 1289: 780: 194:
Additional data: USGS EROS Data Center (topography); USGS Terrestrial Remote Sensing Flagstaff Field Center (Antarctica); Defense Meteorological Satellite Program (city lights).
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joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use.
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Data and technical support: MODIS Land Group; MODIS Science Data Support Team; MODIS Atmosphere Group; MODIS Ocean Group
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More than 100 pages use this file. The following list shows the first 100 pages that use this file only. A
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states that all of the images in the photo gallery are in the public domain "Unless otherwise noted."
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Robert Simmon (enhancements: ocean color, compositing, 3D globes, animation)
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Click on a date/time to view the file as it appeared at that time.
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data may be copyrighted if they are not explicitly produced by the
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The NASA website hosts a large number of images from the
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in the United States because it was solely created by
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Commons is a freely licensed media file repository.
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work of the federal government of the United States
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File:Earth Western Hemisphere.jpg
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Original file
Wikimedia Commons
description page there
You can help
http://visibleearth.nasa.gov/view.php?id=57723
Eastern Hemisphere in PNG format
PNG
Western Hemisphere in PNG format
PNG
Eastern Hemisphere in JPEG format
JPEG
Eastern Hemisphere in TIFF format
TIFF
Western Hemisphere in TIFF format
TIFF
Hemispheres side by side
Environment Barnstar new.png
public domain
NASA

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