Astronomers take a second look at twin star systems

Astronomers take a second look at twin star systems

Apples-to-apples comparisons in the distant universe are hard to come by. Whether the subject is dwarf galaxies, supermassive black holes, or "hot Jupiters," astronomers can spend months or years searching for comparable objects and formations to study. And it is rarer still when those objects are side-by-side.