This article is from the Space FAQ, by Jon Leech leech@cs.unc.edu and Mark Bradford tla@surly.org with numerous contributions by others.
Tom van Sant's GeoSphere Project has produced a very nice composite
image of the entire Earth (without clouds, so all the surface is
visible) by assembling thousands of Landsat images. This image is not in
the public domain; any digital copies made available by anonymous FTP
are illegal.
GeoSphere offers the image in a variety of printed forms (posters, mugs,
globes, etc.). Contact them at (800)-845-1522 for a catalog. They may be
willing to license the digital database for specific uses, contact them
for details.
 
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