Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have discovered an extremely distant galaxy that looks surprisingly like our own Milky Way Galaxy. Named SPT-S J041839-4751.9, this galaxy is located 12 billion light-years away and is strongly gravitationally lensed by a foreground galaxy. While SPT-S J041839-4751.9 doesn’t appear to have spiral arms, it has at least two features typical of our Milky Way: a rotating disk...