Exoplanet DressExoplanets are planets outside our solar system. By studying them, we ultimately hope to answer the big Questions of life: Where did we come from? Are we alone? We used to think that the Earth might be unique in our galaxy. But now it seems that there are literally billions of planets with masses similar to Earth orbiting stars in the Milky Way, Daniel Kubas, co lead author of the paper One or more bound planets per Milky Way star from microlensing