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Astronomy

    
Does extraterrestrial life exist? SETI



    How did astronomers discover that the Earth
    orbits about the Sun? heliocentric

    
What is the closest star to the Earth?
    Alpha
    Centauri

    
Comets

    Comet
    Hale-Bopp




    
Animal Astronauts

    
Animals




    
Satellites and Probes

    
What was the first artificial satellite
    to orbit the Earth? Sputnik

Manned Spaceflight Missions Yuri Gagarin - First Man in Space Project Gemini Apollo 11 - First Manned Lunar Landing Apollo 13

Space Shuttle What was the longest Space Shuttle Mission? Why does the space shuttle make a double sonic boom when landing?

Astronaut Information Effects of Weightlessness How can I become an astronaut? Astronaut Training Can Astronauts See the Great Wall of China from Space? African-American Astronauts Women Astronauts Space Walks Why do Astronauts wear spacesuits? Astronaut Deaths The Space Race

External Web Links  NASA Spaceflight: NASA Space Shuttle Landing: Landing The Sun and Nine Planets: Planets

Astronomy Books Exploring the Night Sky : The Equinox Astronomy Guide for Beginners The Backyard Astronomer's Guide

Astronomy Links SkyWatch Astronomy News - accurate and timely information on sky events localized for your specific location, via subscription.

Please send comments and questions to Tom Irvine at: tomirvine@aol.com

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