NASA - National Aeronautics and Space Administration

NASA's agreement with World Book that allowed NASA to post World Book articles has expired. We thank the editors at World Book for the use of this material, but realize this leaves a void for our users. Below are links to sites that provide reference materials to many of the same subjects found in the World Book series, and which we hope you will find useful.

Resources

About the Astronauts: http://www.jsc.nasa.gov/Bios/index.html

Solar System and the Planets: http://solarsystem.nasa.gov/planets/index.cfm
What is a Planet?: http://missionscience.nasa.gov/nasascience/what_is_a_planet.html
Mars-The Red Planet: http://mars.jpl.nasa.gov/allaboutmars/extreme/
NASA's Mars Missions: http:www.nasa.gov/mars
About Saturn and Its Moons: http://saturn.jpl.nasa.gov/science/index.cfm

Living With a Star--the Sun: http://stargazers.gsfc.nasa.gov/resources/sun_earth_background.htm
The Sun: http://sdo.gsfc.nasa.gov/mission/science/science.php
Space Weather 101: http://missionscience.nasa.gov/nasascience/space_weather_101.html

Electromagnetic Spectrum: http://missionscience.nasa.gov/ems/index.html

Exoplanets: http://missionscience.nasa.gov/nasascience/quest_for_exoplanets.html

What are Hurricanes?: http://missionscience.nasa.gov/nasascience/tropical_twisters.html
Air Pressure and Twisters: http://missionscience.nasa.gov/nasascience/its_a_breeze.html

Space Shuttle: http://www.nasa.gov/mission_pages/shuttle/vehicle/index.html

International Space Station: http://www.nasa.gov/mission_pages/station/main/onthestation/facts_and_figures.html

The Story of the Hubble Space Telescope: http://www.nasa.gov/mission_pages/hubble/story/the_story.html

Find a NASA Mission: http://www.nasa.gov/missions/index.html

If you need additional assistance, please write to us at webcomments@hq.nasa.gov.

The Editors