This lithograph provides a full-disk view of Earth photographed by Apollo 17 astronauts, Dec. 7, 1972. The accompanying text describes the view seen in the photograph and the circumstances in which it was taken. Suggestions for activities in which the photograph can be used are also provided. Full description.

The rocks and sediment collected by Apollo astronauts contain vital clues to the formation of Earth and the Moon. Most of this information, including crucial parts of the history of Earth, cannot be learned by studying rocks on Earth because it is so geologically active. Teachers may use these materials to teach lunar geology and landforms, rocks and minerals, and the history and future of lunar exploration. ... Full description.

This news article discusses data on Jupiter's moon Europa returned by NASA's Galileo and Voyager spacecraft and the possibility that an ocean of liquid water might exist on Europa and, with it, the possiblilty for extraterrestrial life. Full description.

Watersheds are those land areas that catch rain or snow and drain to specific marshes, streams, rivers, lakes, or to ground water. This site allows users to locate their watershed by city, county, state, or region. Links provide information about stream flow, water use, conservation efforts, demographics, forest riparian habitats, science in your watershed, water discharges, and assessment of watershed ... Full description.

This learning system provides a variety of materials on Earth and space sciences, such as images, movies, animations, and data sets. Students, teachers, and the general public can access information on the sun and space weather, astronomy, our planet and solar system, current space missions, space-related mythology and art, and geology. For teachers, there are links to tools for navigating the site, ... Full description.

This set of posters contains images of the Sun, the nine planets, Earth's moon, the moons of Jupiter, asteroids, and comets. Each poster features a brief description of the image, some statistical facts, and significant dates in the study of these objects. Full description.

This lithograph shows images of the Sun, captured by the SOHO and TRACE spacecraft. An artist's conception that shows how the solar wind distorts Earth's magnetic field is also featured. The images are accompanied by a brief description and history, some statistical facts, and a list of significant dates in the study of the Sun. Full description.

This lithograph shows mosaic images of Mercury, captured by the Mariner 10 spacecraft. The images are accompanied by a brief description and history, some statistical facts, and a list of significant dates in the exploration of Mercury. Full description.

This lithograph shows a mosaic of Venus that was composed from Magellan images taken during radar investigations from 1990-1994. This is a false-color image that depicts topography. Images of the Venusian cloud tops and some surface features are also included. The images are accompanied by a brief description and history, some statistical facts, and a list of important dates in the exploration of ... Full description.

This lithograph depicts a view of Earth taken from Apollo 10 during its journey to the Moon in May 1969. False-color satellite images showing chlorophyll concentration, sea surface temperature, topography, and ozone concentration are also featured. The images are accompanied by a brief description, some statistical facts, and a list of important dates in the history of Earth exploration. Full description.