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Facing rising costs, NASA scraps X-ray space telescope mission (+video)

NASA is canceling work on a new space telescope that was running significantly over budget. The GEMS telescope was intended to study black holes and neutron stars. 

Using X-ray telescopes, NASA's Gravity and Extreme Magnetism (GEMS) mission would have tried to discover how black holes, pulsars and magnetars warp the space and magnetic fields around them.
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NASA is canceling all work on a new space telescope designed to seek out black holes and other cosmic mysteries through X-ray light due to soaring development costs, the space agency announced today (June 7).

The mission, called Gravity and Extreme Magnetism Small Explorer (GEMS), was running significantly over budget, said Paul Hertz, director of NASA's Astrophysics Division, during a phone call to reporters today.

"The GEMS project was initiated under a very well-defined cost cap," Hertz said. "As they approached their confirmation review, it was clear they would not be able to complete it within their cost cap. NASA made the very difficult decision not to confirm GEMS into the implementation phase."

The mission team had almost completed the design stage of the project and was nearing the point where hardware for the mission would begin to be built. No working instruments were yet constructed, Hertz said. [NASA's 2013 Budget: What Will It Buy?]

The project was selected as a "small explorer" class mission, with a firm cost limit of $105 million, not including the price of launching the spacecraft. NASA recently commissioned an independent review of GEMS' budget, and found that the ultimate price tag for the spacecraft was likely to be 20 to 30 percent over budget.

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