Our Origins are From Galaxies Up to One Million Light Years Beyond Milky Way -- "We are Extragalactic Immigrants"

"Given how much of the matter out of which we formed may have come from other galaxies, we could consider ourselves space travelers or extragalactic immigrants," said Daniel Anglés-Alcázar, a postdoctoral fellow in Northwestern's astrophysics center, CIERA (Center for Interdisciplinary...