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™.
• An Introduction to Comets
  
• Comets: An Overview
  
• The Stardust Comet Sample Return Mission (NASA)
  
• Small Comets (University of Iowa)
  
• Nine Planets Comet Page
  
• Gary Kronk's Comets and Meteor Showers
  
• Comet Images
  
• The International Comet Quarterly
  
• Comet Definitions (Jet Propulsion Laboratory)
  

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."
• The Great Mars Debate
  NASA Quest hosted an interactive online series in which a select group of international Mars scientists, educators, and students evaluated potential landing sites for the 2003 Mars Rovers mission. Although the interactive portion of this debate is over, the supporting materials including video clips of scientists discussing the issues, images of proposed landing sites, special concept maps on landing site issues and categories, and more can still be useful in the classroom. Use the archived web casts and supporting online curriculum to recreate this discussion in your classroom.
• 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
  
• An Introduction to Mars
  
• Mars Pathfinder
  
• Mars Global Surveyor
  
• Mars Exploration Program
  
• Mars Landing Site Catalog
  
• Daily Martian Weather Report
  
• Center for Mars Exploration
  

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
  
• An Introduction to the Moon
  
• NASA Moon Page
  
• The Moon: A Comprehensive Overview
  
• Historical Observations of the Moon
  
• An Explanation of Moon Phases
  
• The American Lunar Society
  

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.