What is galactic archaeology?! #shorts

What is galactic archeology? Because At its heart, it's figuring out the Milky Way’s history by treating the stars as fossils. The shape of a galaxy can tell you a lot about how its evolved over time and what’s happened in its history. We know that when two galaxies collide and merge together, you scramble all the stars and gas and dust, and turn a nice flat spiral galaxy, into an elliptical galaxy, or a sphere of stars. The stars are all orbiting the centre still just on different planes. So