This video discusses what the science team's challenges and techniques were in their quest to determine the fate of the Milky Way galaxy. They reflect on the encounter's possible influence on the solar system, and how the Hubble Space Telescope was vital to this research.
Credit: NASA, ESA, M. Estacion, F. Summers, G. Bacon, B. Moster, J. Anderson, R. van der Marel, and S.T. Sohn (STScI)