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For Teachers

Comparative Planetology

The following sites provide a variety on information on Mercury as well as the other planets. In addition to information and images of each planet, you will also find overviews of the history and mythology of the planets.

The Solar System Through History

This website contains an overview of the history, mythology, and current scientific knowledge of each of the planets, some dwarf planets, and moons in our Solar System. Each page has text and images, some have sounds and movies; most provide references to additional related information.

Comparative Planetology: Terrestrials

CliffsNotes provides a brief comparison of the terrestrial planets, including formation theories and internal structures. Use the menus along the left to explore some of the planets in greater depth!

Comparative Planetology: Gas Giants

CliffsNotes provides a brief comparison of the gas giants, including temperature differences, moons associated with each of the planets, and ring systems. The left menu provides an opportunity to expore these and other solar sytem bodies in greater detail.

NASA Lunar and Planetary Science

Find out what’s new in lunar and planetary science! Other features include a snapshot of "This Day in Lunar and Planetary History," educational resources, and other NASA mission data resources.

Planetary Missions Information

The National Space Science Data Center (NSSDC) is NASA’s archive for lunar and planetary data and images. This site contains information on all nine planets, as well as some on comets and asteroids. You will find planetary fact sheets along with plenty of images.

PhotoJournal: NASA’s Image Access

This JPL site contains a collection of many of the best images from NASA’s planetary exploration program. You can search the database of images by target (e.g. a moon of the Planet or the Planet), mission, spacecraft, or instrument as well as see a list of all database entries for each planet. Images include detailed captions.

Hubble Space Telescope Public Pictures

Search this site for present and past pictures from the Hubble Space Telescope. You will also find movies and animations.

Solar System Exploration

Compare two planets or bodies of your choice using this chart, presented by NASA. You can also use the left menu to select a planet or solar system body to learn about in greater detail.