Sparkling Galaxy Cluster Core Inexplicably Wakes Up

Space





Photo credit:

Photograph of the heart of galaxy cluster SpARCS1049+56. NASA/STScI/ESA/JPL-Caltech/McGill.

A team of astronomers has discovered a galaxy cluster, and its heart is teeming with stellar activity. This astonished the researchers since the core of a galaxy cluster is supposed to be a quiet place, certainly not the main hub of star birth. But it seems that this unexpected transformation is fueled with stolen gas from other galaxies.