When Carl Sagan said that we are made of star stuff, he wasn’t just using flowery language to appeal to your imagination; we really are made from metals formed in stars. Keeping track of these metals is not only important to our understanding of where we come from, but it is also vital to understanding… Read more »
Although only our neighboring galaxy, Andromeda, is visible with the unaided eye in the Northern hemisphere, there is a wide variety of galaxies in our universe. Grand spirals dominate the covers of many textbooks and irregular galaxies are the subject of many motivational posters, but the universe is dominated by small dwarf galaxies. To study… Read more »