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A Rocky Bicentennial

Asteroids come of age

By
10:44am, July 24, 2001

Built atop a 12th-century tower in the royal palace of Sicily, the Palermo Observatory has a commanding view of domed cathedrals, an ornate opera house, and an ancient gateway with rooftop gallery and colonnade. But what really draws the eye are the craggy mountains on the horizon.

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