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X-ray Detectors

The environment of space, where X-ray astronomy must take place due to absorption by the Earth's atmosphere, is a demanding one for X-ray detectors. Cosmic rays and charged particles are the primary problems, In particular, in a region called the South Atlantic Anomaly, the charged particle density is so high that most astronomical X-ray detectors have to be turned off as they pass through the region. Otherwise, they could be damaged or even destroyed.

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Imagine the Universe! is a service of the High Energy Astrophysics Science Archive Research Center (HEASARC), Dr. Alan Smale (Director), within the Astrophysics Science Division (ASD) at NASA's Goddard Space Flight Center.

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Project Leader: Dr. Barbara Mattson
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This page last updated: Monday, 27-Sep-2004 11:26:10 EDT