In the decades following the 20th-century space race, it seemed space exploration and the subject as a whole had lost some of its charm. Lack of interest from governments and private investors meant dwindling funds, and the once-bright lure of the cosmos seemed to burn low in the public consciousness. However, in the last few years, the tech investor and science philanthropist Yuri Milner has fanned the flames of the space science sector, reinvigorating the field with a much-needed injection of financing and insight.