Feb 10

XMM-Newton traces dark matter in faint, distant galaxy groups

Source: ESA

X-ray emission in the COSMOS field. Credit: ESA

Observations of faint and distant galaxy groups made with the European Space Agency's XMM-Newton observatory have been used to probe the evolution of dark matter. The results of the study are reported in the 20 January issue of The Astrophysical Journal. (read more)

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