http://nsidc.org/soac http://nsidc.org/soac is a pretty good resource. https://www.nesdis.noaa.gov/content/imagery-and-data https://www.nesdis.noaa.gov/content

http://nsidc.org/soac http://nsidc.org/soac is a pretty good resource. https://www.nesdis.noaa.gov/content/imagery-and-data https://www.nesdis.noaa.gov/content/imagery-and-data has a nice display of actual images.