PPT Slide
X-ray Multi-Mirror mission(XMM)
Launch December 1999
Perigee 7000 km, apogee 114000 km
? Flight through the radiation belts
Chandra X-ray observatory, with similar orbit, experienced unexpected degradation of CCDs
Possible effects on XMM?
Baffles
X-ray detectors(CCDs)
Mirrors
Telescope tube
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