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Let your imagination rocket you to 2202. Space travel has become almost as common as driving. But no one has orbited all nine planetsyet.
Want to be the first explorer to do so? Then launch into our out-of-this-world trivia challenge. Each time you answer correctly, your spaceship will blast you to the next planet. Reach Pluto, and you'll earn a place in the
Galactic Book of Records!
Can't tell Mars from Mercury? Then set a course into our
Virtual Solar System.
© 2002 National Geographic Society. All rights reserved.