Go to the Gallery Home Page XMM-Newton Home
> Gallery Home
> Interaction of Galaxies
> Groups of Galaxies
Page 1 of 1
Groups of Galaxies
Most galaxies in the local universe, including our own Milky Way, are members of poor galaxy groups. The realization that many groups are X-ray sources has led to considerable interest in these systems. The X-ray emission in groups is typically extended on scales of hundreds of kiloparsecs. X-ray spectroscopy suggests the emission mechanism is most likely a combination of thermal bremsstrahlung and line emission. This interpretation requires that the entire volume of groups be filled with a hot, low-density gas often referred to as the intragroup medium in analogy to the intracluster medium found in richer systems.
< Prev Next
Search the Image Gallery
To search the Image Gallery for a particular object, fill in the object name in the box below and click the Submit button.
To search the Image Gallery for other images, fill in any of the fields below and click the Submit button.
For more search options, please use our Advanced Search