HD中字
导演:Rushmore DeNooyer 主演:Janna Levin Nia-Imara Barberousse Marcia Bartusiak Shep Doeleman Peter Galison Andrea Ghez Eilat Glikman James Guillochon Dale Kocevski Tod R. Lauer 尼尔·德格拉塞·泰森
A Two part documentary sharing detailed information on Black holes