Failure of a second reaction control wheel on NASA’s Kepler planet-finding space telescope has ended data collecting with the spacecraft, but not analysis of the “terabytes” of data already captured. Scientists have a calendar quarter of data still to analyze for the telltale flickers in the light of distant stars as planets pass in front of them, and perhaps two more years of work in all conducting additional analysis and confirming their findings with ground-based observations, ...


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