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XMM-Newton observes fossil galaxy cluster
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- Title XMM-Newton observes fossil galaxy cluster
- Released 20/06/2006 12:09 pm
- Copyright Khosroshahi,Maughan, Ponman,Jones,ESA,ING.
XMM-Newton observations of the fossil galaxy cluster RX J1416.5+2315, show a cloud of hot gas emitting X-rays (in blue). The cloud, reaching temperatures of about 50 million degrees, extend over 3.5 million light years and surround a giant elliptical galaxy believed to have grown to its present size by cannibalising its neighbours.