Earth Observatory Library: Landsat 7
- Offers an overview of the program, discussion of science results, images, and validation information.
- http://earthobservatory.nasa.gov/Library/Landsat/

Landsat 7
- Provides an overview of the satellite, ground systems, instruments, and background information, as well as links to many resources.
- http://ls7pm3.gsfc.nasa.gov/

Landsat Program
- Landsat information from the Ecosystem Science and Technology Branch of the Earth Science Division at Ames Research Center. Includes news, mission status, laws, and policies on data use.
- http://geo.arc.nasa.gov/sge/landsat/

Global Observatory for Ecosystem Services
- As the world's largest archive of Landsat satellite data outside the federal government, this NASA-funded research archive contains satellite imagery for the entire planet and provides access to a catalog system for obtaining earth observation data for re
- http://www.landsat.org/

United States Geological Survey (USGS) - Landsat
- Find project facts, history of Landsats 1 through 7, images, technical details, and resources.
- http://landsat.usgs.gov/

The Landsat Program
- NASA page describing the program. Landsat satellites provide repetitive coverage of continental Earth surfaces in the visible, near-infrared, short-wave, and thermal infrared regions of the electromagnetic spectrum.
- http://landsat.gsfc.nasa.gov/