NASA's Gamma-ray Large Area Space Telescope (GLAST) was launched on 11 June and turned on its main telescope two weeks later. It was immediately blasted with gamma-rays from blazar 3C454.3 - visible in the lower left quadrant of the telescope's first map of the sky. "It's a good example of the kind of things that are in store for us," says project scientist Steven Ritz of NASA's Goddard Space Flight Center in Greenbelt, Maryland.
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