How long does Triangulum take? https://science.nasa.gov/asset/hubble/the-fate-of-the-milky-way-andromeda-and-triangulum-galaxies/ https://science.nasa.gov/asse

How long does Triangulum take? https://science.nasa.gov/asset/hubble/the-fate-of-the-milky-way-andromeda-and-triangulum-galaxies/ https://science.nasa.gov/asset/hubble/the-fate-of-the-milky-...