EXOPLANETS The past few years have seen an incredible explosion in our knowledge of  the universe. Since its 2009 launch, the Kepler satellite has  discovered more than two thousand exoplanets, or planets outside our  solar system. More exoplanets are being discovered all the time, and  even more remarkable than the sheer number of exoplanets is their  variety. In Exoplanets, astronomer Michael Summers and physicist  James Trefil explore these remarkable recent discoveries: planets  revolving around pulsars, planets made of diamond, planets that are  mostly water, and numerous rogue planets wandering through the emptiness  of space. This captivating book reveals the latest discoveries and  argues that the incredible richness and complexity we are finding  necessitates a change in our questions and mental paradigms. In short,  we have to change how we think about the universe and our place in it,  because it is stranger and more interesting than we could have imagined.