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From the October 2007 Scientific American Magazine | 1 comments

5 Essential Things To Do In Space ( Preview )

Planetary scientists have articulated goals for exploring the solar system

By George Musser   

 
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Related: 5 Goals for Exploring the Solar System [Interactive]



To a child of the Space Age, books about the solar system from before 1957 are vaguely horrifying. How little people knew. They had no idea of the great volcanoes and canyons of Mars, which make Mount Everest look like a worn hillock and the Grand Canyon like a roadside ditch. They speculated that Venus beneath its clouds was a lush, misty jungle, or maybe a dry, barren desert, or a seltzer water ocean, or a giant tar pit—almost everything, it seems, but what it really is: an epic volcanic wasteland, the scene of a Noah’s flood in molten rock. Pictures of Saturn were just sad: two fuzzy rings where today we see hundreds of thousands of fine ringlets. The giant planet’s moons were gnats, rather than gnarled landscapes of methane lakes and dusty geysers.

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