MODIS Snow/Ice Global Mapping Project
- Remote sensing of snow and ice research group. Explanation of MODIS data product algorithms, data ordering and examples of MODIS data products image processing.
- http://modis-snow-ice.gsfc.nasa.gov/intro.html

Solar-Terrestrial Physics Division of the National Geophysical Data Center
- Data from the Sun and near-Earth environment. Databases, images, posters, CD-ROMs and custom products.
- http://www.ngdc.noaa.gov/stp/stp.html

NASA/JPL Imaging Radar
- Provides access to images from and information about NASA's shuttle imaging radar missions.
- http://southport.jpl.nasa.gov/

Earth System Science Online
- Universities Space Research Association OnLine Index. This site is maintained by the Cooperative University-based Program for Earth System Science Education (ESSE) with NASA support as part of the Division of Earth Sciences of the Universities Space Rese
- http://www.usra.edu/esse/essonline/

TRMM
- Tropical Rainfall Measuring Mission
- http://trmm.gsfc.nasa.gov/

SeaWiFS Project
- The purpose of the Sea-viewing Wide Field-of-view Sensor Project is to provide quantitative data on global ocean bio-optical properties to the Earth science community.
- http://seawifs.gsfc.nasa.gov/SEAWIFS.html

TOMS
- Total Ozone Mapping Spectrometer project
- http://toms.gsfc.nasa.gov/