The telescope will survey the night sky for exactly ... So we basically create a movie of the southern sky for a decade,” ...

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Greg Stewart/SLAC National Accelerator Laboratory "If we're to complete this survey of the sky, we're going to need a big telescope and a big camera," explained observatory director Steve Kahn.

At the other end of the spatial scale, telescopic cameras can record galaxies located four billion light years away from Earth, as in these images from NASA's Chandra X-ray Observatory.