The Milky Way formed by eating smaller galaxies (a process that is still continuing). The Gaia data has created detailed records of stellar motions that helps to track the remnant stars from some of these objects.
Reposted from
Emily Hunt
4. And finally, P. Jofré et al. used concepts from biology & genetics to study the different populations of stars in the Omega Cen #galactic star cluster (so cool!!!) 🧪
Their work adds more evidence that Omega Cen is the leftover core of another galaxy.
Paper: arxiv.org/abs/2504.01813 (photo: ESO)
Their work adds more evidence that Omega Cen is the leftover core of another galaxy.
Paper: arxiv.org/abs/2504.01813 (photo: ESO)
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