The Milky Way's last major act of galactic cannibalism was surprisingly recent

[Admin]

Gaia discovers the Milky Way's last major act of galactic cannibalism was surprisingly recent, as the space telescope counts the "wrinkles" of our galaxy to retell its history."

The Milky Way's last major act of galactic cannibalism was surprisingly recent : Read more

 

[Redderek]

The other way to look at it is, "Were we part of the merger and we were devoured by the Galaxy?"

 

[Helio]

This merger event story is impressive.

Earth, apparently, was already hosting early life-forms when this dwarf galaxy was being pulled into the MW.

I wonder if any collision event from 2.7 Gyrs. ago would leave a remnant we could see?