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NASA's New X-ray Satellite Packs Compact Power

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Science  22 Jun 2012:
Vol. 336, Issue 6088, pp. 1492
DOI: 10.1126/science.336.6088.1492

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Summary

In theory, physicists know what happens to matter swirling around a black hole. As it gets closer to the black hole's event horizon—the boundary inside which the black hole's gravity exerts an inescapable pull—the matter gets sucked in. But what exactly happens to it? A new space telescope launched by NASA last week called NuSTAR could help astronomers answer that and a host of other questions.