#Astronomers spot remains of long-lost #galaxy eaten by the #MilkyWay

 

The Milky Way galaxy feasted on more galaxies in its early days than astronomers thought. The Gaia spacecraft uncovered the remains of an ancient cosmic collision in our Milky Way, revealing a previously unknown galaxy, now nicknamed "Pontus," absorbed by the Milky Way long before our galaxy looked the way it does now.

Full Story: Space

https://astrocometal.blogspot.com/2019/03/understanding-gaia-mission-to-map-galaxy.html