A variety of man-made objects have been sent into outer space for decades, and as a very large and distinguished group, they have sent back important data. NASA has been at the forefront of these efforts here in the United States, and the Landsat Program has certainly been quite successful since its inception in the early 1970s. This website provides a wealth of information on the Landsat Program,...

Earth Today: A Digital View of our Dynamic Planet is offered by the Smithsonian Institution's National Air and Space Museum and is described as a "state of the art digital theater that's updated several times daily to show near real-time satellite views of the Earth's atmosphere, oceans, and landmasses." The Our Dynamic Earth section contains several topics, such as The Atmosphere, in which users...

The European Space Agency (ESA) describes its earth observation missions and related research at this website. The website features the latest news, image of the week, and upcoming events. At the Missions link, visitors can learn about Envisat (Environmental Satellite), ERA (European Remote Sensing Satellites), and future observation missions. The Satellite Images link allows users to browse...

Louisiana State University's earth station for NOAA polar orbiting and geostationary satellites collects, analyzes, interprets, and distributes earth environmental data. Researchers can view abstracts of the many publications authored by people associated with the laboratory. The web site offers a large quantity of detailed imagery from GOES, MODIS, and other remote sensing equipment as well as a...

The USGS and NASA have teamed up to bring the public stunning images of the Earth taken by the Landsat-7 satellite and the Terra Satellite's Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER). Visitors can browse the images by continent or alphabetically. The images can be used as supplementary materials during educational lectures about rock outcrops, deserts, deltas, clouds,...