XMM-Newton reveals the origin of elements in galaxy clusters

[Whitters]

Deep observations of two X-ray bright clusters of galaxies with ESA's XMM-Newton satellite allowed a group of international astronomers to measure their chemical composition with an unprecedented accuracy. Knowing the chemical composition of galaxy clusters is of crucial importance to understanding the origin of chemical elements in the Universe.

Full story:
http://www.esa.int/esaSC/SEM94Q8ATME_index_0.html