Politics & Government

March 4, 2008 6:00 AM

Our solar system isn't what it used to be

Move over, Copernicus. Your once-revolutionary idea — that the Earth revolves around the sun rather than the other way around — has been eclipsed. Recent years have brought a sweeping new revolution in solar system astronomy. The Earth still orbits the sun, as Copernicus declared 400 years ago, but the planetary system in the textbooks you studied is now out of date.

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