Abstract
After a couple of decades, a couple billion dollars, and some deflected careers, U.S. x-ray astronomers finally have a telescope of their own: the Chandra X-ray Observatory, which last week rode the Space Shuttle into space. Planning for Chandra began when the last American x-ray telescope, called Einstein, was launched in 1978; and by the time Chandra9s 5- to 10-year lifetime is over, it will have cost $2.8 billion. The payoff will start to come in 2 weeks, when the telescope9s doors will open and its instruments start recording x-rays from objects all the way back to the beginning of the universe.

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