In astronomers’ speak, the term galactic bulge stands for the dense cluster of billions of stars, many of them packed tightly together at the center of spiral and barred spiral galaxies, including our very own Milky Way. But what is a bulge fossil fragment?
The term popped up after a team of researchers led by a PhD student at the University of Bologna in Italy, Giorgia Zullo, looked at data captured by the (continue reading...)
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