Artistic images

Real Images

How we can see the images in various wavelengths and especially in X-rays, through the images of the XMM-Newton satellite:

Optical+infrared (DSS) and X-ray (XMM-Newton) images of galaxy M31
Optical+infrared (DSS) and X-ray (XMM-Newton) images of galaxy NGC 4507
Optical+infrared (DSS) and X-ray (XMM-Newton) images of cluster NGC 2264

Artistist´s concept: