Galactic panspermia: How far could life spread naturally in a galaxy like the Milky Way?

Can life spread throughout a galaxy like the Milky Way without technological intervention? That question is largely unanswered. A new study is taking a swing at that question by using a simulated galaxy that's similar to the Milky Way. Then they investigated that model to see how organic compounds might move between its star systems.

source https://phys.org/news/2021-09-galactic-panspermia-life-naturally-galaxy.html