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NASA's planet-hunting TESS spacecraft captures 'first light' image
Back in May, one of the cameras on NASA's Transiting Exoplanet Survey Satellite (TESS) snapped a two-second test exposure to make sure that it works. It was but a taste of what we can expect from Kepler's successor, though, and now we finally know what its cameras are capable of. The planet-hunting spacecraft's four cameras have taken their "first light" image -- the first astronomical photo after a telescope has been assembled -- showing the satellite's full field of view.
