The Milky Way has gobbled up dozens of dwarf galaxies and added them to its structure. Today we’re going to look at the ongoing hunt for the wreckage of past mergers. And what we’ve discovered about dwarf galaxies in general. We usually record Astronomy Cast every Friday at 3:00 pm EST / 12:00 pm PST … Continue reading "Astronomy Cast Ep. 498: Dwarf Galaxy Update"