XMM-Newton contour map overlaid on a CFHT I-band image

The Merger Dynamics of the X-Ray-Emitting Plasma in Clusters of Galaxies

XMM-Newton (X-ray Multi-Mirror Mission-Newton) - eoPortal

XMM-Newton ESAS Software Image Thread

Messenger No115, PDF, Hubble Space Telescope

New Fast Lane towards Discoveries of Clusters of Galaxies Inaugurated

The Most Important X-Ray Image Ever Taken Proved The Existence Of Dark Matter, by Ethan Siegel, Starts With A Bang!

Top: image of the diffuse X-ray emission of A521 (0.5-5 keV) - Bottom

The Most Important X-Ray Image Ever Taken Proved The Existence Of Dark Matter

MEARIM-II Proceedings - South African Astronomical Observatory

Convergence density map for XDCS0329 overlaid on the 3-color