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

An ISOCAM survey through gravitationally lensing galaxy clusters-I. Source lists and source counts for A370, A2218 and A2390

XMM-Newton First Science Results - XMM-Newton - Cosmos

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

Multi-scale feedback and feeding in the closest radio galaxy Centaurus A

The contours of XMM image of the cluster RXJ1053.7+5735 overlaid on a

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

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

Technical considerations to prepare MegaCam observations

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

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