Rendezvous with a Comet™
- Solar System Exploration: Comets
This NASA web site provides an overview of comets, including images and all the basic facts. Be sure to check out the "Kids Eye View." - Asteroids and Comets
This site, hosted by the National Space Science Data Center, provides links to images and FAQs, as well as information about past, present, and future NASA missions to investigate these mysterious "dirty snowballs." - Stardust
Learn more about the NASA mission that inspired the Challenger Learning Center mission scenario, Rendezvous with a Comet™. - Comets: An Overview
- Nine Planets Comet Page
- The International Comet Quarterly
Voyage to Mars™
- Solar System Exploration: Mars
This NASA web site provides an overview of the planet Mars, including images, information about its moons, and all the basic facts. Be sure to check out the "Kids Eye View." - NASA’s Jet Propulsion Laboratory’s Mars Education Program
This JPL site directs you to a number of online resources about Mars, both for students and for teachers. - Mars Team Online
- Mars Fact Sheet
- NASA’s Mars Pathfinder Mission
- NASA’s Mars Global Surveyor Mission
- NASA’s Mars Exploration Program
- Daily Martian Weather Report
Return to the Moon™
- Solar System Exploration: Earth’s Moon
This NASA web site provides an overview of Earth’s Moon, including images and all the basic facts. Be sure to check out the "Kids Eye View." - The Moon: A Closer Look
This web site, developed for a class on astronomy, Newtonian mechanics, and spaceflight, gives an overview of mankind’s study of the Earth’s Moon. - Cosmic and Heliospheric Learning Center
Scientists answer common questions about the Earth’s Moon. - Images of the Moon for the classroom
- NASA Moon Page
- Historical Observations of the Moon
- An Explanation of Moon Phases
Encounter Earth™
- Solar System Exploration: Earth
This NASA web site provides an overview of the planet Earth, including images and all the basic facts. Be sure to check out the "Kids Eye View." - Earth Observing System
Learn more about the Earth Observing System, a series of satellites, a science component, and a data system that form the basis of NASA’s Earth Science Enterprise. Be sure to visit the “For Educators” area of the web site. - Earth Observatory
The Earth Observatory provides free satellite imagery and scientific information about our planet.










